Percent Increase/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 determine if a change is an increase or decrease?

Back

If the new value is greater than the original value, it is an increase. If the new value is less than the original value, it is a decrease.

Front

Calculate the percent decrease from $65.50 to $52.40.

Back

Percent Decrease = ((65.50 - 52.40) / 65.50) x 100 = 20%.

Front

Calculate the percent change when the price of a movie goes from $12 to $8.

Back

Percent Change = ((12 - 8) / 12) x 100 = 33%.

Front

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

Back

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

Front

If a shirt costs $40 and is on sale for $30, what is the percent decrease?

Back

Percent Decrease = ((40 - 30) / 40) x 100 = 25%.

Front

What is the original price if the sale price is $52.40 after a 20% decrease?

Back

Original Price = Sale Price / (1 - Percent Decrease) = 52.40 / (1 - 0.20) = $65.50.

Front

If a product's price increases from $50 to $65, what is the percent increase?

Back

Percent Increase = ((65 - 50) / 50) x 100 = 30%.

Front

What does a 10% decrease mean in terms of original value?

Back

A 10% decrease means the new value is 90% of the original value.