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) x 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) x 100.

Front

How do you calculate percent change?

Back

Percent change can be calculated using the formula: ((New Value - Original Value) / Original Value) x 100. This formula can be used for both increases and decreases.

Front

If a price decreases from $12 to $8, what is the percent decrease?

Back

Percent decrease = ((12 - 8) / 12) x 100 = 33%.

Front

If a class size increases from 35 to 42 students, what is the percent increase?

Back

Percent increase = ((42 - 35) / 35) x 100 = 20%.

Front

What does it mean if a value increases?

Back

An increase means that the new value is greater than the original value.

Front

What does it mean if a value decreases?

Back

A decrease means that the new value is less than the original value.

Front

If attendance at a festival goes from 2,376 to 2,950, what is the percent increase?

Back

Percent increase = ((2950 - 2376) / 2376) x 100 = 24%.

Front

If you finish a task in 32 minutes and then in 28 minutes, what is the percent decrease in time?

Back

Percent decrease = ((32 - 28) / 32) x 100 = 12.5%.

Front

What is the formula for calculating percent change?

Back

Percent Change = ((New Value - Original Value) / Original Value) x 100.