IXL | Percent of change: increases and decreases

What is the percent of change from 20 to 24?

27% decrease

20% increase

27% increase

20% decrease

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Learn with an example

question

What is the percent of change from 4 to 7?

75% increase

3% increase

75% decrease

3% decrease

key idea

percent of change

amount of change

original amount

solution

Plug 4 and 7 into the formula for percent of change and simplify.

percent of change

amount of change

original amount

7 − 4

0.75

Write the number as a percent.

0.75 → 75%

Finally, figure out whether the percent of change is an increase or decrease. Since the number goes up from 4 to 7, it is an increase.

The percent of change is a 75% increase.

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Lesson: Percent change

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Lesson: Percent change

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