1. Percent of change On the first day of school, Wilson Middle School had 470 students attend. On January 2 our enrollment was 504 students. How can we describe the increase?

2. Percent of change One way to describe a change in quantities is to use percent of change If the original quantity is increased we talk about the percent of increase If the original quantity is decreased we talk about the percent of decrease

3. Percent of Change formula Amount of Increase Original Amount Wilson went from 470 to 504 Amount of increase Original Amount

4. Percent of Change Do the Math! Wilson Middle School has grown by 7.2% since the start of the school year!

5. Percent of change The General Assembly recently debated increasing the minimum wage from $5.15 per hour to $8.15 per hour. If this had passed, what would the percent increase be?

6. Percent of change Increase Original Amount A 58% Increase!

7. Minimum wage employees in Virginia who work 40 hours a week, 52 weeks a year, earn $10,700 a year, $5,400 below the poverty line for a family of three. A worker in Virginia earning minimum wage must work 125 hours per week to afford a modest two- bedroom apartment. That would require working nearly 18 hours a day, 7 days a week. In fact, the current minimum wage does not provide enough income to enable minimum wage workers to afford adequate housing in any area of Virginia. The bid to raise the minimum wage in Virginia Failed

8. In 2000 577,000 Virginians lived below the poverty line. Today that number is 740,000 Increase Original Amount A 28% increase! Statistics from Virginia Interfaith Center for Public Policy

9. Percent of Change January 2006 a gallon of regular gas costs $2.39. Today gas is $1.92 at the Fishersville 7-11. What is the percent of decrease. Amount of decrease Original Amount

10. Percent of Change Decrease Original Amount The price of a gallon of regular gasoline has decreased 19.6% in the last year!

11. Percent of change Ian had 12 girlfriends. Two broke up with him for unknown reasons. What is the percent decrease? Decrease Original Amount A 17% decrease in girlfriends!

12. Percent of Change Mr. Lovell sells a necklace and earrings for $17. He decides to lower the price to $15.50. What is the percent decrease? A 9% decrease

13. Percent of Change Amanda earns an allowance of $15.00 per week. She would like that to be raised to $25.00. What percent increase is she asking for? 67%

14. Percent of Change Mr. Lovell went on a diet……He went from 210 pounds to 190 pounds. What percent of his weight did he lose? Mr. Lovell lost 9.5% or 10% of his weight.

15. Percent of change The list price for a 4GB Ipod Nano is $199.00 Amazon is selling this Nano for $169.00 How much can you save? A 15% savings!

16. Percent of change When Colby was born she weighed 2.5 pounds. Now she weighs 65 pounds. What is the percent increase? A 2,500% increase!!!!!!!

17. Percent of change Your answer is always a decimal number that needs to be changed to a percent. It is always increase or decrease over the original amount. Your answer is always a positive number

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