Conversion & calculation
What Percent Is One Number of Another?
Find a part as a percentage of a whole, such as progress toward a target.
What percentage?
Find what percentage a part is of the whole.
Results are rounded to up to six decimal places.
How to use
- Enter the two values as labeled in the calculator.
- Select Calculate or press Enter to see the result and formula used.
Formula and conversion method
Percentage = part ÷ total × 100
Worked example
30 ÷ 200 × 100 = 15%
Things to know
A total of zero has no defined ratio. A part larger than the total gives a result over 100%.