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.

Front

What is percent decrease?

Back

Percent 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 percent change?

Back

Percent change = (New Value - Old Value) / Old Value × 100%.

Front

If Tom's salary increased from $240 to $288, what is the percent increase?

Back

20%.

Front

If the number of people signed up for a bus trip increased from 32 to 45, what is the percent increase?

Back

41%.

Front

What is the result of decreasing 500 by 30%?

Back

350.

Front

If a DVD movie originally cost $24.99 and is now $19.99, what is the percent change?

Back

20%.

Front

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

Back

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

Front

How do you find the new value after a percent increase?

Back

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

Front

What is the formula for calculating percent increase?

Back

Percent Increase = (New Value - Original Value) / Original Value × 100%.