Percentage difference between 21 and 30

By what percent is 21 less than 30?

Answer: The number 21 is less than the number 30 by 30%

(the number 21 is 30 percent less than the number 30)

Explanation of 21 and 30 percentage difference calculation

Percentage Difference Formula: %diff = 100 - (Number1 ÷ Number2) × 100

According to 'Percentage Difference' formula if you want to know how many percent 21 is less than 30 you have to divide 21 by 30, then multiply the result by 100 and subtract it from 100.

Here is the complete solution:

100 - (21 ÷ 30) × 100

=

100 - 0.7 × 100

=

100 - 70

=

30%

See Also

About "Percentage Difference Calculator" Calculator

Discover the percentage difference between two numbers with ease using our online Percentage Difference Calculator. If you've ever found yourself pondering, 'How much more (or less) is one number compared to another in terms of percentage?', this tool is designed just for you!

If you are curious to know by what percent is 21 less than 30 in terms of percentage, this calculator is the perfect solution.

Enter the primary number (e.g. '21') and the number you want to compare it with in the next field (e.g. '30'). Then hit the 'Calculate' button. The calculator will instantly provide you with the percentage difference, showing you how much more or less the first number is compared to the second.

Dive into the world of numbers and understand the relation between them in percentage terms with the Percentage Difference Calculator. Happy Calculating!

Percentage Difference table

NumbersPercentage Difference
80%
7 less than 3076.67%
8 less than 3073.33%
9 less than 3070%
66.67%
11 less than 3063.33%
60%
13 less than 3056.67%
14 less than 3053.33%
50%
16 less than 3046.67%
17 less than 3043.33%
18 less than 3040%
19 less than 3036.67%
33.33%
30%
22 less than 3026.67%
23 less than 3023.33%
20%
16.67%
26 less than 3013.33%
10%
28 less than 306.67%
29 less than 303.33%
30 less than 300%
31 greater than 303.33%
32 greater than 306.67%
33 greater than 3010%
34 greater than 3013.33%
16.67%

FAQ

By what percent is 21 less than 30?

The number 21 is less than the number 30 by 30%

The amount of $21 is what percent less than $30?

The amount of $21 is 30% less than the amount of $30