Guide

Percentage Points vs Percent: What Is the Difference?

When two numbers are already percentages, there are two ways to describe the change. Percentage points show the gap between the rates. Percent change shows how large that gap is compared with the starting rate. Confusing them can make a small change sound much larger, or hide a substantial relative increase.

What is a percentage point?

Subtract the old percentage from the new percentage. If an interest rate rises from 4% to 5%, the difference is 5 − 4 = 1 percentage point. There is no division in this calculation.

Percentage points are useful for comparing interest rates, survey results and conversion rates. A test score rising from 70% to 80% improves by 10 percentage points.

What is the percent change?

For a positive starting rate, divide the difference by the original rate and multiply by 100. From 4% to 5%, that is (5 − 4) ÷ 4 × 100 = 25%. Both descriptions are correct: up one percentage point and up 25% relative to the original rate.

For the test score, (80 − 70) ÷ 70 × 100 is about 14.29%. Saying the score increased by 10% would describe a different change.

Check the example in the calculator

Open the Percentage Calculator and select “% change from X to Y”. Enter 4 as X and 5 as Y, without percent signs. The result is 25%. To find the percentage-point change, separately subtract 4 from 5: one point.

The calculator reports relative percentage change, not a separate percentage-point result. Always label the number you share so readers know which comparison you made.

What about decreases or a zero starting rate?

A rate falling from 5% to 4% drops one percentage point but falls 20% relative to its starting value. Reversing an increase does not produce the same relative percentage because the denominator changes.

If a rate rises from 0% to 2%, report an increase of two percentage points. Relative percent change from zero is undefined; this calculator shows a dash rather than a meaningful percentage.

Sources and further reading

Try it yourself

Put this guide into practice with our free Percentage Calculator — no sign-up, no download.

Open the Percentage Calculator