Percent Change Review

Front

What is percent change?

Back

Percent change is a way to express a change in value as a percentage of the original value. It is calculated using the formula: ((New Value - Original Value) / Original Value) x 100.

Front

How do you calculate percent increase?

Back

To calculate percent increase, use the formula: ((New Value - Original Value) / Original Value) x 100. If the result is positive, it indicates an increase.

Front

How do you calculate percent decrease?

Back

To calculate percent decrease, use the formula: ((Original Value - New Value) / Original Value) x 100. If the result is positive, it indicates a decrease.

Front

If an item costs $50 and is sold for $60, what is the percent increase?

Back

The percent increase is 20%.

Front

If an item costs $5 and is sold for $1, what is the percent decrease?

Back

The percent decrease is 80%.

Front

What is the sale price of an item that costs $10 with a 25% discount?

Back

The sale price is $7.50.

Front

If a sweatshirt originally costs $64.75 and has a 50% discount, how much does it cost after the discount?

Back

The cost after the discount is $32.38.

Front

What is the formula for calculating the sale price after a discount?

Back

Sale Price = Original Price - (Original Price x Discount Rate).

Front

How do you find the original price if you know the sale price and the discount rate?

Back

Original Price = Sale Price / (1 - Discount Rate).

Front

What is a 33% decrease on a $36 shirt?

Back

A 33% decrease results in a sale price of $24.