Percent Increase/Decrease

Front

What is percent decrease?

Back

Percent decrease is a measure of how much a quantity has decreased in relation to its original amount, expressed as a percentage.

Front

How do you calculate percent decrease?

Back

Percent decrease = ((Original Price - Sale Price) / Original Price) x 100.

Front

What is percent increase?

Back

Percent increase is a measure of how much a quantity has increased in relation 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

If a scooter's price decreases from $65.50 to $52.40, what is the percent decrease?

Back

20% decrease.

Front

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

Back

9% increase.

Front

What is the percent change if a class size increases from 35 to 42 students?

Back

20% increase.

Front

If a time changes from 84 seconds to 8 seconds, what is the percent change?

Back

90% decrease.

Front

What does it mean when sales tax is added to the price?

Back

It means the total cost of the item increases by the percentage of the sales tax.

Front

What is the formula for calculating percent change?

Back

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