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

How do you calculate percent increase?

Back

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

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 decrease?

Back

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

Front

If a price goes from $50 to $30, what is the percent decrease?

Back

Percent Decrease = ((50 - 30) / 50) x 100 = 40%.

Front

If a salary increases from $40,000 to $50,000, what is the percent increase?

Back

Percent Increase = ((50,000 - 40,000) / 40,000) x 100 = 25%.

Front

What is the formula to find the final amount after a percent increase?

Back

Final Amount = Original Amount + (Original Amount x Percent Increase).

Front

What is the formula to find the final amount after a percent decrease?

Back

Final Amount = Original Amount - (Original Amount x Percent Decrease).

Front

If a product costs $200 and is on sale for 15% off, what is the sale price?

Back

Sale Price = 200 - (200 x 0.15) = $170.

Front

What does it mean to round to the nearest percent?

Back

Rounding to the nearest percent means adjusting a decimal percentage to the closest whole number.