Percent Increase/Decrease

Front

What is percent increase?

Back

Percent increase is the amount of increase expressed as a percentage of the original amount. It is calculated using the formula: ((New Value - Original Value) / Original Value) * 100.

Front

What is percent decrease?

Back

Percent decrease is the amount of decrease expressed as a percentage of the original amount. It is calculated using the formula: ((Original Value - New Value) / Original Value) * 100.

Front

How do you calculate percent change?

Back

Percent change can be calculated using the formula: ((New Value - Original Value) / Original Value) * 100. This formula can yield either a positive (increase) or negative (decrease) result.

Front

If the number of teachers increased from 24 to 30, what is the percent increase?

Back

25% increase.

Front

If a purse originally costs $25 and is now $15, what is the percent decrease?

Back

40% decrease.

Front

What is the percent decrease if shirts sold drop from 285 to 114?

Back

60% decrease.

Front

If the distance decreased from 20 miles to 11 miles, what is the percent decrease?

Back

45% decrease.

Front

If an item costs $30 and is now $110, what is the percent increase?

Back

267% increase.

Front

What does a 100% increase mean?

Back

A 100% increase means the new value is double the original value.

Front

What does a 50% decrease mean?

Back

A 50% decrease means the new value is half of the original value.