Percents change word problems

Front

What is percent change?

Back

Percent change is a way to express a change in a quantity as a percentage of the original amount. It is calculated using the formula: ((new value - old value) / old value) * 100.

Front

How do you calculate percent increase?

Back

To calculate percent increase, use the formula: ((new value - old value) / old value) * 100.

Front

How do you calculate percent decrease?

Back

To calculate percent decrease, use the formula: ((old value - new value) / old value) * 100.

Front

If a stock price increases from $100 to $120, what is the percent change?

Back

20% increase.

Front

If a car's speed increases from 60 mph to 75 mph, what is the percent change?

Back

25% increase.

Front

Amanda increased her protein intake from 48 g to 54 g. What is the percent increase?

Back

12.5% increase.

Front

A microwave's price increased from $96 to $115.20. What is the percent change?

Back

20% increase.

Front

What is the percent change when hours worked increase from 74 to 85?

Back

15% increase.

Front

What does a percent change of 0% indicate?

Back

A percent change of 0% indicates that there has been no change in the value.

Front

What is the formula for finding the new value after a percent increase?

Back

New value = old value + (old value * percent increase / 100).