Percent Increase/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 shrunk 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 $50 and the new price is $75, what is the percent increase?

Back

50% increase.

Front

If the original number of students is 40 and it decreases to 30, what is the percent decrease?

Back

25% 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 shirt costs $20 and goes on sale for $15, what is the percent decrease?

Back

25% decrease.

Front

If a population grows from 200 to 300, what is the percent increase?

Back

50% increase.