Privacy Policy

1. Introduction

PercentageChangeCalculators.com ("we," "us," or "our") is committed to protecting your privacy and being transparent about how we handle your personal information. This Privacy Policy explains what information we collect when you visit and use our website, how we use that information, your rights regarding your data, and the measures we take to protect your information.

We understand that privacy is important to you, and we take our responsibility to protect your data seriously. This policy has been designed to be as clear and transparent as possible, ensuring you understand our practices and can make informed decisions about your interaction with our services. Our website is supported by advertising, which may involve third-party ad networks that collect certain information for ad delivery and personalization.

By accessing or using PercentageChangeCalculators.com, you acknowledge that you have read, understood, and agree to be bound by the terms of this Privacy Policy. If you do not agree with any part of this policy, please do not use our website.

2. Information We Collect

2.1 Information You Provide to Us

We collect information that you voluntarily provide when you interact with our website. This includes:

Contact Form Submissions: When you use our contact form, we collect:

• Your name
• Email address
• Message content
• Selected inquiry category

How we use this information:

• To respond to your inquiries and provide customer support
• To improve our services based on your feedback
• To address technical issues or concerns you report

2.2 Automatically Collected Information

When you visit our website, we automatically collect certain information about your device and how you interact with our site:

• IP Address: Your device's Internet Protocol address
• Browser Information: Browser type, version, and language settings
• Device Information: Device type, operating system, and screen resolution
• Usage Data: Pages visited, time spent on pages, click patterns, and navigation paths
• Referral Information: The website that referred you to our site
• Date and Time: Timestamps of your visits and interactions

How we collect this information:

• Server logs that automatically record web requests
• Cookies and similar tracking technologies
• Analytics tools (such as Google Analytics 4)

2.3 Calculator Usage Data

We may collect anonymous, aggregated data about calculator usage, such as:

• Which calculators are most frequently used
• General usage patterns and trends
• Performance metrics to improve calculator functionality

3. How We Use Your Information

We use the information we collect for the following purposes:

3.1 Provide and Improve Services

• Deliver calculator functionality and website features
• Enhance user experience through site improvements
• Identify and fix bugs, errors, and technical issues
• Develop new features and calculators based on user needs
• Optimize site performance and loading speeds

3.2 Communication

• Respond to contact form submissions and inquiries
• Provide customer support and assistance
• Send important service updates or notifications (only when necessary)
• Notify users about significant changes to our policies or services

3.3 Analytics and Research

• Understand how visitors use our website
• Analyze traffic patterns and user behavior
• Identify popular calculators and content
• Improve content quality and relevance
• Enhance site navigation and user interface

3.4 Advertising and Revenue

• Display relevant advertisements to support our free services
• Work with advertising partners to deliver ads
• Measure ad performance and effectiveness
• Improve ad relevance based on anonymous usage patterns

3.5 Legal Compliance and Protection

• Comply with applicable laws and regulations
• Enforce our terms of service and policies
• Protect our rights, property, and safety
• Prevent fraud, abuse, and security incidents
• Respond to legal requests and court orders

4. Cookies and Tracking Technologies

4.1 What Are Cookies?

Cookies are small text files that are stored on your device when you visit a website. They help websites remember your preferences and improve your browsing experience.

4.2 Types of Cookies We Use

Essential Cookies:

• Required for basic site functionality
• Remember your preferences and settings
• Enable secure navigation through the website
• Cannot be disabled as they are necessary for the site to work

Analytics Cookies:

• Help us understand how visitors interact with our site
• Track page views, session duration, and navigation patterns
• Collect anonymous statistical data
• Can be disabled through your browser settings or our cookie consent tool

Advertising Cookies:

• Used by advertising networks to deliver relevant ads
• Track your browsing activity across websites
• Help measure ad effectiveness and performance
• May be used for ad personalization based on your interests
• Can be managed through browser settings and opt-out tools

4.3 Third-Party Cookies

We may use third-party services that set their own cookies, including:

• Google Analytics 4: For website analytics and usage statistics
• Advertising Networks: Such as Google AdSense or similar ad platforms for displaying advertisements
• Other Analytics Providers: To supplement our understanding of site performance

These third-party services have their own privacy policies that govern how they collect and use data. We encourage you to review their policies:

• Google Privacy Policy: https://policies.google.com/privacy
• Google AdSense Privacy: https://policies.google.com/technologies/ads

4.4 Managing Cookies

You have control over cookies and can:

• Adjust your browser settings to refuse or delete cookies
• Use privacy or incognito browsing modes
• Opt-out of analytics tracking through browser extensions or settings
• Opt-out of personalized advertising through:
  • Google Ad Settings: https://adssettings.google.com
  • Network Advertising Initiative: https://optout.networkadvertising.org
  • Digital Advertising Alliance: https://optout.aboutads.info
• Use our cookie consent preferences (if available)

Google Consent Mode v2: We implement Google Consent Mode v2 (mandatory since March 2024) to ensure your consent choices are properly communicated to Google services. This means your privacy preferences are respected across Google Analytics and Google Ads.

Note: Disabling certain cookies may affect your ability to use some features of our website. Opting out of advertising cookies will not prevent you from seeing ads, but they may be less relevant to your interests.

5. Third-Party Services

We may use the following third-party services to operate and improve our website:

5.1 Analytics Services

• Google Analytics 4 (GA4): Tracks anonymous usage data to help us understand visitor behavior. GA4 does not log or store IP addresses.
  Privacy Policy: https://policies.google.com/privacy
  Data retention: We use a retention period of [2 or 14] months for GA4 data
  Important: We implement Google Consent Mode v2 to ensure your privacy choices are respected

5.2 Advertising Networks

We display advertisements on our website through third-party advertising networks, which may include:

• Google AdSense: Displays contextual and personalized advertisements
  Privacy Policy: https://policies.google.com/privacy
  How Google uses data: https://policies.google.com/technologies/partner-sites
  Ad Settings: https://adssettings.google.com
• Other Ad Networks: We may use additional advertising partners to serve ads on our site

How Advertising Works:

• Ad networks use cookies and similar technologies to collect information about your browsing activity
• This information may be used to show you ads based on your interests (interest-based advertising)
• Ad networks may track you across multiple websites to build advertising profiles
• You can opt-out of personalized advertising (see Section 4.4)
• For users in certain U.S. states (including California, Virginia, Colorado, Connecticut, Utah, and as of January 1, 2026: Indiana, Kentucky, and Rhode Island), we recognize opt-out preference signals

Required Disclosure: Third-party vendors, including Google, use cookies to serve ads based on your prior visits to our website or other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our sites and/or other sites on the Internet.

5.3 Form Handling Services

• We may use services like FormSpree or similar providers to process contact form submissions
  These services have their own privacy policies governing data handling

5.4 Hosting Services

• Our website is hosted by a third-party hosting provider that stores website files and data
  The hosting provider may collect server logs and technical information

Important: These third-party services operate independently and have their own privacy policies and data practices. We encourage you to review their policies to understand how they handle your information.

6. Data Storage and Security

6.1 Where We Store Data

• Contact Form Data: Stored securely on our servers or through our form handling service
• Server Logs: Maintained on our hosting provider's servers
• Analytics Data: Stored by third-party analytics providers

6.2 How Long We Keep Data

• Contact Form Submissions: Retained for 1 year or until you request deletion
• Server Logs: Automatically deleted after 30 days
• Google Analytics 4 Data: User-level data retained for [2 or 14] months (configurable setting), aggregate reporting data retained longer
• Other Analytics Data: Retention periods determined by service provider policies

We do not retain personal data longer than necessary for the purposes for which it was collected, in compliance with GDPR's storage limitation principle, CCPA/CPRA requirements, and COPPA regulations.

6.3 Security Measures

We implement industry-standard security measures to protect your information:

• HTTPS Encryption: All data transmitted to and from our site is encrypted
• Secure Server Configuration: Our servers are configured with security best practices
• Regular Security Updates: We keep our software and systems up to date
• Access Controls: Limited personnel have access to personal data
• Data Backup: Regular backups to prevent data loss

7. Your Rights and Choices

You have the following rights regarding your personal information:

• Right to Access: Request a copy of the personal data we hold about you
• Right to Correction: Request correction of inaccurate or incomplete data
• Right to Deletion: Request deletion of your personal information
• Right to Opt-Out: Opt-out of analytics tracking and non-essential data collection
• Right to Data Portability: Receive your data in a portable, machine-readable format
• Right to Object: Object to certain types of data processing

How to Exercise Your Rights

To exercise any of these rights, please contact us at:

8. Children's Privacy

Our website and services are not directed to children under the age of 13, and we comply with the Children's Online Privacy Protection Act (COPPA) as amended in 2025.

We do not knowingly collect personal information from children under 13. This includes expanded categories of personal information as defined by COPPA, such as biometric identifiers and government-issued identification numbers.

If you are a parent or guardian and believe that your child under 13 has provided us with personal information, please contact us immediately at admin@percentagechangecalculators.com. We will take steps to delete such information promptly in compliance with COPPA's requirements. We do not retain children's personal information longer than reasonably necessary.

If we discover that we have inadvertently collected personal information from a child under 13, we will delete that information as quickly as possible in accordance with COPPA regulations.

9. International Users

Our website is operated from the United States. If you are accessing our site from outside the United States, please be aware that your information may be transferred to, stored, and processed in the United States or other countries where our service providers operate.

By using our website, you consent to the transfer of your information to countries outside your country of residence, which may have different data protection laws than your country.

EU-U.S. Data Transfers: For users in the European Union, we rely on approved mechanisms for international data transfers, including the EU-U.S. Data Privacy Framework (established July 2023) for services like Google Analytics and Google AdSense. For additional protection, we use Standard Contractual Clauses where applicable.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or for other operational reasons.

Recent Updates (January 2026): This policy has been updated to reflect new privacy regulations that took effect on January 1, 2026, including CCPA/CPRA amendments in California and new comprehensive privacy laws in Indiana, Kentucky, and Rhode Island. We have also updated our practices to comply with COPPA amendments effective 2025-2026.

When we make changes, we will:

• Post the updated policy on this page
• Update the "Last Updated" date at the top of the policy
• Notify users of significant changes through email or a prominent notice on our website (where appropriate)

Your continued use of our website after any changes to this Privacy Policy constitutes your acceptance of the updated policy. We encourage you to review this policy periodically to stay informed about how we protect your information.

11. GDPR Compliance (EU Users)

If you are located in the European Union or European Economic Area, you have additional rights under the General Data Protection Regulation (GDPR), which remains in full effect as of 2026.

Note on Enforcement: GDPR fines have exceeded €5.88 billion since 2018. Recent enforcement actions demonstrate regulators' continued focus on consent management, data transfers, and vendor security. Maximum fines remain at €20 million or 4% of global annual revenue, whichever is higher.

11.1 Legal Basis for Processing

We process your personal data based on the following legal grounds:

• Consent: When you submit our contact form or accept cookies
• Legitimate Interest: For website analytics, improving our services, and security purposes
• Legal Obligation: To comply with applicable laws and regulations

11.2 Your GDPR Rights

Under GDPR, you have the right to:

• Right to Access: Obtain confirmation of whether we process your data and access to that data
• Right to Rectification: Correct inaccurate personal data
• Right to Erasure: Request deletion of your data ("right to be forgotten")
• Right to Restrict Processing: Limit how we use your data
• Right to Data Portability: Receive your data in a structured, machine-readable format
• Right to Object: Object to processing based on legitimate interests
• Right to Withdraw Consent: Withdraw consent at any time (without affecting lawfulness of prior processing)
• Right to Lodge a Complaint: File a complaint with your local data protection authority

11.3 Data Protection Officer

For GDPR-related inquiries or to exercise your rights, contact us at:

11.4 International Data Transfers

When we transfer your data outside the EU/EEA, we ensure appropriate safeguards are in place, such as standard contractual clauses approved by the European Commission.

12. California Privacy Rights (CCPA/CPRA)

If you are a California resident, you have specific rights under the California Consumer Privacy Act (CCPA), as amended by the California Privacy Rights Act (CPRA). Significant regulatory updates took effect on January 1, 2026.

12.1 Your California Rights

• Right to Know: Request information about the categories and specific pieces of personal information we collect
• Right to Know About Data Sales and Sharing: Know whether we sell or share your personal information (we do not sell personal data)
• Right to Access: Request a copy of your personal information collected since January 1, 2022 (to the extent we retain such information)
• Right to Delete: Request deletion of your personal information
• Right to Correct: Request correction of inaccurate personal information
• Right to Opt-Out: Opt-out of the sale or sharing of personal information
• Right to Limit: Limit the use and disclosure of sensitive personal information
• Right to Non-Discrimination: Not receive discriminatory treatment for exercising your CCPA/CPRA rights

Global Privacy Control (GPC): As of January 1, 2026, we recognize and honor Global Privacy Control signals transmitted by your browser as a valid opt-out request.

12.2 Categories of Information We Collect

Under CCPA, we collect the following categories of information:

• Identifiers: Name, email address, IP address
• Internet Activity: Browsing history, search history, interaction with our website and advertisements
• Geolocation Data: Approximate location based on IP address
• Commercial Information: Records of which calculators you use (not the actual calculation data)

Sources of Information: We collect this information directly from you, automatically from your device, and from advertising partners.

Business Purpose: We use this information to operate our website, provide our services, improve user experience, and display relevant advertisements.

12.3 We Do Not Sell Your Personal Information

12.4 How to Exercise Your CCPA Rights

To exercise your California privacy rights:

You may designate an authorized agent to make a request on your behalf. We may require verification of your identity before processing your request.

13. Contact Information

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

For specific privacy requests:

• GDPR inquiries: Include "GDPR Request" in the subject line
• CCPA inquiries: Include "California Privacy Rights Request" in the subject line
• Data deletion requests: Include "Data Deletion Request" in the subject line

This Privacy Policy is effective as of January 23, 2026, and will remain in effect except with respect to any changes in its provisions in the future, which will be in effect immediately after being posted on this page.