Percentage difference between 17 and 20

Percentage Difference Calculator
What is percentage difference between
and

By what percent is 17 less than 20?

Answer

The number 17 is less than the number 20 by
15%

Base: 20 = 100% · by the average: ≈ 16.22%

Gap 3 measured against 20
20
20 = 100%
17
17 = 85%

▨ gap 3 = 15% of 20

(20 − 17) ÷ 20 × 100 = 15%

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FAQ

By what percent is 17 less than 20?

The number 17 is less than the number 20 by 15%

What is the percentage difference between 17 and 20?

The number 17 is 15% less than the number 20.

How to calculate the percentage difference between 17 and 20?

Divide 17 by 20, multiply the result by 100 and subtract it from 100. The percentage difference is 15%.

What is the percentage difference between 17 and 20 by the average?

Divide the gap by the average of the two numbers: (20 − 17) ÷ 18.5 × 100 ≈ 16.22%. This calculator measures the gap against 20 instead, which gives 15%.