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 is calculated using the formula: ((New Value - Old Value) / Old Value) x 100.

Front

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

Back

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

Front

If a population decreases from 1,000 to 800, what is the percent decrease?

Back

Percent decrease = ((1000 - 800) / 1000) x 100 = 20%.

Front

What does it mean if the percent change is positive?

Back

A positive percent change indicates an increase in the quantity.

Front

What does it mean if the percent change is negative?

Back

A negative percent change indicates a decrease in the quantity.

Front

How do you determine if a change is an increase or decrease?

Back

If the new value is greater than the old value, it is an increase; if it is less, it is a decrease.

Front

What is the percent change when attendance goes from 2,376 to 2,950?

Back

Percent change = ((2950 - 2376) / 2376) x 100 = 24% increase.

Front

What is the percent change when a salary increases from $240 to $288?

Back

Percent change = ((288 - 240) / 240) x 100 = 20% increase.