Percent Change

Front

What is percent change?

Back

Percent change is a way to express a change in a quantity as a percentage of the original amount. It is calculated using the formula: ((new value - old value) / old value) x 100.

Front

How do you calculate a percent increase?

Back

To calculate a percent increase, use the formula: ((new value - old value) / old value) x 100. This gives you the percentage increase from the old value to the new value.

Front

How do you calculate a percent decrease?

Back

To calculate a percent decrease, use the formula: ((old value - new value) / old value) x 100. This gives you the percentage decrease from the old value to the new value.

Front

What is the percent change from 141 grams to 142 grams?

Back

0.7% increase.

Front

What is the percent change from 88 grams to 84 grams?

Back

4.5% decrease.

Front

What is the percent change from $109 to $98?

Back

10.1% decrease.

Front

What is the percent change from 122 minutes to 109 minutes?

Back

10.7% decrease.

Front

What is the percent change from 43 minutes to 28 minutes?

Back

34.9% decrease.

Front

If a price increases from $50 to $75, what is the percent increase?

Back

50% increase.

Front

If a population decreases from 200 to 150, what is the percent decrease?

Back

25% decrease.