Percent increase and decrease

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has grown relative 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 relative 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 a TV set's price decreases from $500 to $413, what is the percent decrease?

Back

17.4% decrease.

Front

If an item originally costs $30 and is now $110, what is the percent increase?

Back

267% increase.

Front

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

Back

14% increase.

Front

If Susie's hourly wage increases from $8.75 to $9.50, what is the percent increase?

Back

9% increase.

Front

If a quantity increases from 35 to 70, what is the percent increase?

Back

100% increase.

Front

What does a 100% increase mean?

Back

A 100% increase means the new value is double the original value.