Percent of Change

Front

What is percent of change?

Back

Percent of change is a way to express the difference between an old value and a new value as a percentage of the old value.

Front

How do you calculate percent decrease?

Back

Percent decrease = ((Old Value - New Value) / Old Value) x 100.

Front

How do you calculate percent increase?

Back

Percent increase = ((New Value - Old Value) / Old Value) x 100.

Front

If a price goes from $30 to $20, what is the percent of change?

Back

33.3% decrease.

Front

If a shirt originally costs $46.39 and is on sale for $32.47, what is the percent decrease?

Back

30% decrease.

Front

What is the formula to find the original price before tax if the total price is known?

Back

Original Price = Total Price / (1 + Sales Tax Rate).

Front

If a jacket costs $31.50 including a 5% sales tax, what is the price without tax?

Back

$30.

Front

What is the percent change if Tami made 24 cupcakes yesterday and 14 today?

Back

41.7% decrease.

Front

How do you find the total price after a discount and tax?

Back

Total Price = (Original Price - Discount) + Tax.

Front

If a toaster oven costs $68 and is 30% off, what is the sale price before tax?

Back

$47.60.