Percent change
IAB
New amount or original amount?
Real World
100

A video game originally costs $60 and is now on sale for $45. What is the percent change?

25% decrease

100

A restaurant bill is $50. You want to leave a 20% tip. How much is the tip? What is the total amount you pay?

Tip = $10; Total = $60

100

The new Iphone costs $800. It goes on sale for 20% off. What is the cost of the phone now?

$640

100

Kaylee's salary is $32,000. She gets a 15% raise. What is her new salary?

$36,800

200

Last year, a school had 800 students. This year, it has 920 students. What is the percent change?

15% increase

200

Darius has a 24-ounce sports drink. He drinks 18 ounces. 

Enter the percentage of ounces Darius has left.

25%

200

A store buys sneakers for $40. They mark them up 50%. What is the selling price?

$60

200

Gloria wants to purchase a pair of binoculars that is on sale for $155.75.The sales tax rate in her county is 6.5%. Calculate the amount of sales tax Gloria will pay on the purchase. Round to the nearest cent, if necessary.

$10.12

300

 A jacket was priced at $80 and is now $100. What is the percent change?

25% increase

300

Katie buys a necklace for $14.50 plus a 6% tax. Sharon buys a bracelet for $12 plus a 6% tax. 

Enter the sum, in dollars, that Katie and Sharon paid, including tax.

$28.09

300

After a 15% raise, a salary is now $69,000. What was the original salary?

$60,000

300

There are 15 members in a bicycle club this fall. By next summer, Braylin hopes the number of members will be 140% of this number. What is Braylin's goal for the number of members next summer?



21 members

400

A gym membership was $50 per month and decreased to $40 per month. What is the percent change?

20% decrease

400

A video game is on sale. The original price is $80 and the sale price is $60. What is the percent discount? Explain how you found it.

25% discount

400

A book was on sale for 30% off and now costs $14. What was the original price?

$20

400

The Soto family stayed in a hotel room while on vacation. The cost for the hotel room is $195 per night for a 6-night stay, before tax. If the hotel room tax rate in the city is 12%, what was the total cost for the hotel room?

$1,310.40

500

A population was 2,500 people and grew to 3,200. What is the percent change? (Round to the nearest tenth.)

28% increase

500

A store buys a shirt for $12 and sells it for 200% more than the cost. A customer buys it on a 30% off sale. How much does the customer pay? Show all your work and explain each step.

$29.40

500

A population decreased by 5% and is now 3,800 people. What was the original population? (Round to the nearest whole number.)

4,000 people

500

A washing machine is on clearance for 30% off. If the sale price of the washing machine is $395.49, what was the original price? Round to the nearest cent, if necessary.

$564.99

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