Percentage Increase and Decrease

Front

What is percentage increase?

Back

Percentage 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 percentage increase?

Back

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

Front

What is percentage decrease?

Back

Percentage 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 percentage decrease?

Back

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

Front

If a number increases from 50 to 75, what is the percent increase?

Back

Percent Increase = ((75 - 50) / 50) x 100 = 50%.

Front

If a number decreases from 200 to 150, what is the percent decrease?

Back

Percent Decrease = ((200 - 150) / 200) x 100 = 25%.

Front

What does it mean if a value increases by 20%?

Back

It means the new value is 120% of the original value.

Front

What does it mean if a value decreases by 15%?

Back

It means the new value is 85% of the original value.

Front

Calculate the new amount after increasing $50 by 10%.

Back

New Amount = $50 + ($50 x 0.10) = $55.

Front

Calculate the new amount after decreasing $80 by 25%.

Back

New Amount = $80 - ($80 x 0.25) = $60.