Math
Percentage Difference Calculator
Compare two values using their absolute difference and average.
Your last 50 calculations are stored only in this browser, not in a CalcOcean account. Anyone using this browser profile can see them. Clear history on shared devices. Calculation history
How this calculation works
Compare two values using their absolute difference and average. Enter your values, select Calculate, then review the result. You can change any value and calculate again.
Formula used
|a − b| ÷ ((|a| + |b|) ÷ 2) × 100
Good to know
Results are estimates for informational purposes.
Example calculation
|40 − 50| ÷ 45 × 100 = 22.22%
How to use this calculator
- Enter your values, select Calculate, then review the result. You can change any value and calculate again.
- Check units and time periods before comparing two results.
- Change one input at a time to understand its effect.
Frequently asked questions
What does the Percentage Difference Calculator calculate?
Compare two values using their absolute difference and average. The result is calculated from the values you enter and the formula shown on this page.
Which assumptions does the Percentage Difference Calculator use?
It applies |a − b| ÷ ((|a| + |b|) ÷ 2) × 100. Values, fees, rules or timing not represented by an input are not added automatically.