Percentage Point Calculator

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The starting or reference percentage (e.g. last quarter's approval rating, the old interest rate, or a control group's result).
%
The comparison or ending percentage (e.g. this quarter's figure, the new rate, or the treatment group's result).
%
Optional: the total or population size. When provided, the calculator also shows the actual numeric difference between the two counts (e.g. extra people, extra dollars). Leave at 0 to skip.
Percentage point differenceIncrease
7pp

Absolute arithmetic difference between the two percentages

Relative percentage change15.56%
Basis points difference700bps
pp Difference7
Relative Change (%)15.56

The second percentage is +7.00 percentage points increased from the first.

  • The absolute difference is 7.00 percentage points (+7.00 pp). This means the gap between 45.00% and 52.00% in plain arithmetic terms.
  • In relative terms the second percentage is 15.56% higher than the first. A 7.00 pp move from 45.00% is a 15.56% relative change - the two measures tell different stories.
  • In basis points (used in finance and economics), this is a +700 bps move. One percentage point equals 100 basis points, so 7.00 pp = 700 bps.

Next stepAlways report both the pp difference and the relative change when communicating results: one gives absolute scale, the other gives proportional context.

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