What you provide
What you provide
- The percentage and base for a percent-of question
- The part and whole for a what-percent question
- The known part and percentage to work backward to a whole
EVERYDAY MATH / THREE QUESTIONS
Percentage Calculator
Answer "what is this percentage," "what percentage is this," or "what was the original whole" without rearranging the formula yourself.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
The selected question chooses one of three related formulas. The result label repeats your values so you can confirm which number was treated as the part, whole, or percentage.
Calculation path
Result = percentage / 100 x base value.
What you receive
What you receive
- One clearly labelled answer
- The values interpreted by the selected mode
- The exact formula used for that question
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
Percentage and percentage-point changes are different. Use the Percentage Increase Calculator when comparing an old and new value.