Percentage Change Calculator
Enter the original value and the current value, then calculate the change and percentage change.
Percentage Change Calculator Guide
Use this tool to measure how much a value has moved from an original number to a current number. It’s useful for prices, KPIs, and stock quotes, and it works for both gains and losses. The percentage is shown with 3 decimal places using standard rounding, and the absolute change is also provided for quick verification.
This calculator can be used as a simple “increase calculator” or “decrease calculator”: enter the original value and the current value to get both the absolute change and the percentage change.
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Common Scenarios
- Stocks: calculate price increase/decrease between two closes.
- Funds: compare NAV changes across dates.
- Crypto: compute gains/losses from entry to current price.
- Pricing: evaluate quote/cost changes over time.
- KPIs: track growth for revenue, traffic, conversion rate, etc.
Tips
- Example: 10.1457% is displayed as 10.146% (rounded to 3 decimals).
- The result section repeats the original and current values so you can avoid mixing up multiple calculations.
Formula
percentage change = (current - original) / original
Example
If yesterday’s close was 100 and today’s close is 110, then:
(110 - 100) / 100 = 10%