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 the original price of an item is $50 and the new price is $75, what is the percent increase?

Back

Percent Increase = ((75 - 50) / 50) x 100 = 50% increase.

Front

If the original price of a shirt is $40 and it is now $30, what is the percent decrease?

Back

Percent Decrease = ((40 - 30) / 40) x 100 = 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 product's price goes from $200 to $150, what is the percent decrease?

Back

Percent Decrease = ((200 - 150) / 200) x 100 = 25% decrease.

Front

If a car's value increases from $10,000 to $12,000, what is the percent increase?

Back

Percent Increase = ((12,000 - 10,000) / 10,000) x 100 = 20% increase.