Percent Increase/Decrease (5.1)

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

Calculate the Percent Increase from 42 to 72.

Back

71% increase.

Front

Calculate the Percent Decrease from 56 to 14.

Back

75% decrease.

Front

Calculate the Percent Decrease from 84 to 8.

Back

90% decrease.

Front

If a quantity increases by 300%, what is the new amount if the original amount is $25?

Back

$100.

Front

Calculate the Percent Increase from 75 to 225.

Back

200% increase.

Front

What is the formula to calculate Percent Change?

Back

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

Front

If a product costs $50 and is marked down by 20%, what is the new price?

Back

$40.

Front

If a student scores 80 out of 100 on a test and then scores 90 out of 100 on the next test, what is the Percent Increase in score?

Back

12.5% increase.