# Percent Difference Calculator > Calculate % change between two values - stocks, sales, discounts & more! Canonical page: [https://chrome-stats.com/d/com.tooltoolnam.percent\_diff](https://chrome-stats.com/d/com.tooltoolnam.percent_diff) ## Overview - **ID:** `com.tooltoolnam.percent_diff` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** ToolToolNam - **Category:** TOOLS - **Downloads:** 102 - **Version:** 1.1.1 - **Last updated:** 2026-08-27 - **First published:** 2025-12-30 - **Publisher country:** KR - **Size:** 21 MB - **Data as of:** 2026-09-13 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.tooltoolnam.percent_diff) - **Website:** [https://tooltoolnam.github.io/](https://tooltoolnam.github.io/) - **Privacy policy:** [https://tooltoolnam.github.io/tooltoolnam-privacy/privacy-policy.html](https://tooltoolnam.github.io/tooltoolnam-privacy/privacy-policy.html) ## Description Percent Difference Calculator — The Fastest Way to Calculate Percentage Change

Instantly calculate the rate of change between two values! All percentage calculations for stocks, sales, discounts, weight loss, and more in one app.

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Essential for everyone

• Stock investors — Check stock price fluctuations and returns
• Business owners — Analyze monthly sales growth rates
• Students — Calculate grade improvements
• Shoppers — Compare discounts and price changes
• Dieters — Track weight loss percentages
• Professionals — Calculate performance achievement rates

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Key Features

[Simple Calculation]
• Just enter the old value and new value
• Automatically detects increase or decrease
• Real-time results as you type

[Smart Convenience]
• One-touch examples (stocks, sales, weight, prices)
• Copy results to share anywhere
• Customizable decimal places (0-4 digits)

[Modern Design]
• Clean Material Design 3
• Full dark mode support
• Smooth animations
• Glassmorphism UI

[Global Support]
• Localized for global users
• Localized number formats

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Usage Examples

Stock Investment
"What's the return when a stock goes from $70 to $75?"
→ +7.14% increase

Diet Tracking
"What's the loss rate going from 180lbs to 170lbs?"
→ -5.56% decrease

Sales Management
"This month's sales increased from $50,000 to $65,000?"
→ +30% growth

Discount Calculation
"What's the discount rate when a $39.99 product becomes $29.99?"
→ -25.03% off

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Why Percent Difference Calculator?

1. Fast — Instant results without complex formulas
2. Accurate — Uses verified mathematical formulas
3. Clean — Only essential features, no clutter
4. Free — All features available for free
5. Offline — Works without internet

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Calculation Formula
((New Value - Old Value) / Old Value) × 100 = Rate of Change (%) ## Rankings - #1,975,602 — Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_ADSERVICES_AD_ID` - `android.permission.ACCESS_ADSERVICES_ATTRIBUTION` - `android.permission.ACCESS_ADSERVICES_TOPICS` - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.FOREGROUND_SERVICE` - `android.permission.INTERNET` - `android.permission.WAKE_LOCK` - `com.android.vending.CHECK_LICENSE` - `com.google.android.gms.permission.AD_ID` - `com.tooltoolnam.percent_diff.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Percent Difference Calculator](https://chrome-stats.com/d/se.eldstorm.percentdiff) — 571 users - [Percentage Change Calculator](https://chrome-stats.com/d/com.yokobo.PercentageChangeCalc) — 28 users - [Percent Calculator](https://chrome-stats.com/d/com.applover.percentcalc) — 687 users - [Quick Percent Calculator](https://chrome-stats.com/d/com.yusun.quickpercentcalculator) — 15 users - [Percentage Decrease Calculator](https://chrome-stats.com/d/com.mycompany.percentagedecreasecalculator) — 26 users - [Fast Percentage Calculator](https://chrome-stats.com/d/com.abhijeetsb.percentagecalculator) — 190 users - [Percentage Calculator](https://chrome-stats.com/d/com.handyapps.percentcalc) — 445,284 users, 3.89 / 5 - [Percent Change Calculator](https://chrome-stats.com/d/percentage.change.calculator) — 2,230 users, 3.82 / 5 - [Percentage Calculator](https://chrome-stats.com/d/com.gjam.pctcalc) — 12 users - [Percent Calculator](https://chrome-stats.com/d/com.rodrigotavares.percentcalc.percentcalc) — 201 users - [Percentage Calculator – Pro](https://chrome-stats.com/d/com.pruthivi.percentagecalculator) — 95 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.tooltoolnam.percent_diff)