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 percent decrease?

Back

To calculate percent decrease, use the formula: ((Old Value - New Value) / Old Value) x 100.

Front

How do you calculate percent increase?

Back

To calculate percent increase, use the formula: ((New Value - Old Value) / Old Value) x 100.

Front

What is the percent change if the old value is 50 and the new value is 75?

Back

Percent change = ((75 - 50) / 50) x 100 = 50% increase.

Front

What is the percent change if the old value is 200 and the new value is 150?

Back

Percent change = ((200 - 150) / 200) x 100 = 25% decrease.

Front

If a price increases from $40 to $50, what is the percent increase?

Back

Percent increase = ((50 - 40) / 40) x 100 = 25%.

Front

If a price decreases from $80 to $60, what is the percent decrease?

Back

Percent decrease = ((80 - 60) / 80) x 100 = 25%.

Front

What is the percent change from 10 to 15?

Back

Percent change = ((15 - 10) / 10) x 100 = 50% increase.

Front

What is the percent change from 30 to 27?

Back

Percent change = ((30 - 27) / 30) x 100 = 10% decrease.

Front

If a class size goes from 25 to 30 students, what is the percent increase?

Back

Percent increase = ((30 - 25) / 25) x 100 = 20%.