CALCULATORS / FREE ONLINE TOOL
Percentage Calculator
Discounts, differences, and percentages made easy.
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A little guidance.
Find a percentage of a number or calculate how much a value has increased or decreased. Useful for discounts, comparisons, and everyday arithmetic.
How it works
- Choose percentage of a number or percentage change.
- Enter your two values.
- Calculate to see the result and the formula.
Good to know.
How do you calculate percentage change?
Subtract the starting value from the new value, divide by the starting value, and multiply by 100. A starting value of zero has no defined percentage change.