Percentage difference calculator
Compare two numbers when neither is the starting point. The difference is measured against their average, so the order doesn’t matter.
150 and 120 differ by 22.22%
- Absolute difference
- 30
Show working
D = |A − B| ÷ ((A + B) ÷ 2) × 100= |150 − 120| ÷ ((150 + 120) ÷ 2) × 100= 22.22%
How it’s worked out
- 1Take the gap between the two numbers and divide it by their average, then multiply by 100.
- 2Use percentage change instead when one value clearly came first, like a price before and after.
150 and 120 differ by 22.22%.
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