CALCULATOR
Percentage of a Percentage Calculator
Percentage of a Percentage. Example: First percentage: 40, Second percentage: 25 gives 10 %. Find the combined percentage when one proportion is applied to another. Forty percent of twenty-five percent is ten percent of the original whole, not ten percentage points of change.
How the calculation works
first × second / 100
Worked example
With first percentage 1 %, second percentage 1 %, percentage result is 0.01 %.
Assumptions and limits
Find the combined percentage when one proportion is applied to another. Forty percent of twenty-five percent is ten percent of the original whole, not ten percentage points of change.