Percent Increase and Percent 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 an item costs $200 and is marked down by 10%, what is the sale price?

Back

Sale Price = $200 - ($200 x 0.10) = $180.

Front

What is the formula to convert a decimal to a percent?

Back

To convert a decimal to a percent, multiply the decimal by 100 and add a percent sign (%).

Front

Convert 0.25 to a percent.

Back

0.25 as a percent is 25%.

Front

If a shirt costs $40 and is on sale for 25% off, how much do you save?

Back

You save $40 x 0.25 = $10.

Front

What is the sale price of an item that costs $80 with a 15% discount?

Back

Sale Price = $80 - ($80 x 0.15) = $68.

Front

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

Back

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