1. Percent Change MOD 6 Mrs. Berry Simms 1 Lab

2. How to Calculate Percent Change

3. Example 1: Original Price = $4 New Price = $3 Find the Percent Change in the prices

4. Step 1: Plug in your values Original Price = $4 New Price = $3

5. Step 2: Simplify the fraction

6. Step 3: Convert the fractions to a decimal

7. Step 4: Convert the decimal to a percent by moving the decimal point 2 places to the right

8. Step 5: Decide if the price went up increase or if the price went down decrease Original Price = $4 New Price = $3 DECREASE

9. Step 6: Write the percent change with the description

10. Example 2: Original Price = $4 New Price = $5 Find the Percent Change in the prices

11. Step 1: Plug in your values Original Price = $4 New Price = $5

12. Step 2: Simplify the fraction

13. Step 3: Convert the fractions to a decimal

14. Step 4: Convert the decimal to a percent by moving the decimal point 2 places to the right

15. Step 5: Decide if the price went up increase or if the price went down decrease Original Price = $4 New Price = $5 INCREASE

16. Step 6: Write the percent change with the description

17. On your own paper You try #1: Original Price: $5 New Price: $3 Show all of your work!

18. On your own paper You try #2: Original Price: $5 New Price: $9 Show all of your work!

19. On your own paper You try #3: Original Price: $10 New Price: $7.50 Show all of your work!

20. On your own paper You try #4: Original Price: $10 New Price: $12.50 Show all of your work!

21. Turn in your work to Mrs. Berry Is your name on your paper? Did you show all of your work? Did you move the decimal point 2 places to make your percents?