Solve every everyday percentage question: discounts, tips, grades, growth rates and price changes. Each answer shows the formula used.
- Free, no sign-up
- Runs locally in your browser
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How to use the Percentage Calculator
- 1
Pick the question you want to answer.
- 2
Fill in the two values.
- 3
Read the answer and formula.
Percentage change vs percentage points
Going from 10% to 15% is an increase of 5 percentage points, but a 50% percentage change. The calculator shows the percentage change.