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 change?

Back

Percent change is calculated using the formula: ((New Value - Original Value) / Original Value) x 100.

Front

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

Back

20% increase.

Front

If a TV set's price decreases from $500 to $413, what is the percent decrease?

Back

17.4% decrease.

Front

What is the original price if the new price is $400 and there is a 14% increase?

Back

The original price is $350.

Front

If Mary lost 30 pounds from 180 pounds, what is the percent decrease in her weight?

Back

17% decrease.

Front

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

Back

9% increase.

Front

What does a 20% increase mean in terms of original value?

Back

It means the new value is 120% of the original value.

Front

What does a 25% decrease mean in terms of original value?

Back

It means the new value is 75% of the original value.