Percent of Change

Front

What is the formula to calculate the percent of change?

Back

Percent of Change = ((New Value - Original Value) / Original Value) * 100

Front

If the original value is 50 and the new value is 75, what is the percent of change?

Back

50% increase

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

How do you interpret a percent of change of 0%?

Back

A percent of change of 0% indicates no change in value.

Front

If a product's price increases from $20 to $25, what is the percent of change?

Back

25% increase

Front

If a student scores 80 on a test and then scores 60 on a retake, what is the percent of change in their score?

Back

25% decrease

Front

What is the percent of change if a population decreases from 1,000 to 800?

Back

20% decrease

Front

How do you find the original value if you know the new value and the percent of change?

Back

Original Value = New Value / (1 + Percent of Change) for increase; Original Value = New Value / (1 - Percent of Change) for decrease.

Front

What is the percent of change if a car's value drops from $15,000 to $10,000?

Back

33.33% decrease