Percent Increase/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. It is calculated using the formula: ((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 reduced relative to its original amount, expressed as a percentage. It is calculated using the formula: ((Original Value - New Value) / Original Value) x 100.

Front

How do you calculate the percent decrease from 35 to 15?

Back

Percent decrease = ((35 - 15) / 35) x 100 = 57.14%, rounded to 40%.

Front

If the original amount is 340 pages and there is a 20% decrease, what is the new amount?

Back

New amount = 340 - (20% of 340) = 340 - 68 = 272 pages.

Front

What is the formula for calculating percent increase?

Back

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

Front

What is the percent increase when the number of people signed up for a bus trip increases from 32 to 45?

Back

Percent increase = ((45 - 32) / 32) x 100 = 40.63%, rounded to 41%.

Front

How do you find the new amount after a percent decrease?

Back

New amount = Original amount - (Percent decrease x Original amount).

Front

What is 30% of 500?

Back

30% of 500 = 0.30 x 500 = 150.

Front

If you decrease 500 by 30%, what is the new amount?

Back

New amount = 500 - 150 = 350.

Front

What does a 65% decrease mean?

Back

A 65% decrease means that the value has reduced to 35% of its original amount.