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Percentage calculator
Calculate a percentage of a number or percentage change between values.
How to use Percentage calculator
Calculate a percentage of a number or percentage change between values.
Example: a 20% discount on 150
Choose percentage of a number: 20% of 150 is 30, so the discounted price is 120. For change, enter the old value then the new: 150 to 180 is a 20% increase. A zero starting value cannot be used for percentage change.
Percentage guide with worked examples- Enter your data or choose a file in the format shown above the fields.
- Choose the appropriate options, then select “Run tool”.
- Review the result, then copy or download it. Clear it to start again.
Where is my data processed?
Processing stays in your browser. This tool does not upload your content; only the tool, result status and duration are recorded. Check the limits shown in its fields.
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