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 of Change?

Back

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

Front

What does a positive Percent of Change indicate?

Back

A positive Percent of Change indicates an increase in value.

Front

What does a negative Percent of Change indicate?

Back

A negative Percent of Change indicates a decrease in value.

Front

If a price increases from $50 to $75, what is the Percent of Change?

Back

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

Front

If a population decreases from 200 to 150, what is the Percent of Change?

Back

Percent of Change = ((150 - 200) / 200) x 100 = -25% decrease.

Front

What is the Percent of Change if a student's score improves from 80 to 100?

Back

Percent of Change = ((100 - 80) / 80) x 100 = 25% increase.

Front

What is the Percent of Change if a car's value drops from $20,000 to $15,000?

Back

Percent of Change = ((15,000 - 20,000) / 20,000) x 100 = -25% decrease.

Front

If a store's sales go from $500 to $600, what is the Percent of Change?

Back

Percent of Change = ((600 - 500) / 500) x 100 = 20% increase.

Front

What is the formula for calculating Percent Increase?

Back

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