Percent Increase and 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 the percent increase from 35 to 70?

Back

Percent Increase = ((70 - 35) / 35) x 100 = 100%.

Front

How do you calculate the percent decrease from $500 to $413?

Back

Percent Decrease = (($500 - $413) / $500) x 100 = 17.4%.

Front

What is the formula for calculating percent change?

Back

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

Front

If a price increases from $350 to $400, what is the percent increase?

Back

Percent Increase = (($400 - $350) / $350) x 100 = 14%.

Front

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

Back

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

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.

Front

If a product's price goes from $470 to $634.50, what is the percent increase?

Back

Percent Increase = (($634.50 - $470) / $470) x 100 = 35%.