Percent Difference Calculator

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. ━━━━━━━━━━━━━━━━━━━━ 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 ━━━━━━━━━━━━━━━━━━━━ 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 ━━━━━━━━━━━━━━━━━━━━ 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 ━━━━━━━━━━━━━━━━━━━━ 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 ━━━━━━━━━━━━━━━━━━━━ Calculation Formula ((New Value - Old Value) / Old Value) × 100 = Rate of Change (%)