Percent growth given a change

This math skill teaches how to calculate percent growth by finding the difference between the initial and final values, then dividing this difference by the initial value to determine the percent increase.

Learn percent growth given a change

Teaching Transcript

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If 70 grows to 91, what percent did it grow by?

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Let's first find the amount it grew by. 91 is 21 more than 70.

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Now let's divide 21 by 70 to find the percent that it grew by. 21 is 30% of 70.

Skill Practice

Percent growth given a change

Test your understanding of percent growth given a change by practicing it! Work through the below exercises to use it in practice.

Percent change in a growing number (10% multiples)

Percent change in a growing number (5% multiples)

Percent change in a growing number (1% multiples)