Percent increase and decrease

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has grown compared to its original amount, expressed as a percentage.

Front

What is percent decrease?

Back

Percent decrease is a measure of how much a quantity has reduced compared to its original amount, expressed as a percentage.

Front

How do you calculate percent increase?

Back

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

Front

How do you calculate percent decrease?

Back

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

Front

If the original price of an item is $200 and the new price is $250, what is the percent increase?

Back

25% increase.

Front

If the original number of shirts sold is 300 and the new number is 180, what is the percent decrease?

Back

40% decrease.

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 TV originally costs $600 and is now $450, what is the percent decrease?

Back

25% decrease.

Front

If a student scores 70 on a test and then scores 90 on the next test, what is the percent increase in their score?

Back

28.57% increase.