Percentage Change Calculator
Measure the percentage increase or decrease between two numbers.
Free No signup Runs in your browser — nothing uploaded
- Increase
- 30.00%
- Absolute change
- 30
- Multiplier
- 1.3×
How to use the Percentage Change Calculator
- Enter your numbers.
- Results update as you type.
- No rounding surprises — the maths is shown in full.
Frequently asked questions
- Why isn't a 50% rise then a 50% fall back to the start?
- Because the second percentage applies to a bigger number. 100 → 150 → 75, not back to 100.