Percent Increase and Decrease

Front

What is percent increase?

Back

Percent increase is the amount of increase expressed as a percentage of the original amount. It is calculated using the formula: ((New Value - Original Value) / Original Value) x 100.

Front

What is percent decrease?

Back

Percent decrease is the amount of decrease expressed as a percentage of the original amount. It is calculated using the formula: ((Original Value - New Value) / Original Value) x 100.

Front

How do you calculate a 5% decrease on a price of $60?

Back

To calculate a 5% decrease: 5% of $60 = 0.05 x 60 = $3. The new price = $60 - $3 = $57.

Front

What type of function represents continuous percent decrease?

Back

Exponential function.

Front

What is the formula to find the new value after a percent increase?

Back

New Value = Original Value x (1 + Percent Increase).

Front

What is the formula to find the new value after a percent decrease?

Back

New Value = Original Value x (1 - Percent Decrease).

Front

If an item costs $100 and is marked down by 20%, what is the sale price?

Back

Sale Price = $100 x (1 - 0.20) = $100 x 0.80 = $80.

Front

What is the multiplier for a 10% increase?

Back

1.10.

Front

What is the multiplier for a 25% decrease?

Back

0.75.

Front

How do you find 35% of $6,000?

Back

35% of $6,000 = 0.35 x 6000 = $2,100.