Percent Increase or Decrease Worksheet
Decide whether the change is an increase or decrease and find the
percent using the formula
change
original
.
1. Before: 10 2. Before: 15 3. Before: 75
After: 12 After: 12 After: 60
4. Before: 110 5. Before: 90 6. Before: 260
After: 143 After: 200 After: 160
7. 1994 Cost: $171.33 8. Regular Price: $31.99 9. Start Price: $521.73
1995 Cost: $201.59 Sale Price: $22.39 End Price: 413.68
10. 2004 Cost: $18.77 11. Original Number: 45 12. Original Number: 45
2005 Cost: $19.17 New Number: 72 New Number: 18
Percent of Change – Given the %, Find the Missing Number
Use the
change %
original 100
proportion, fill in what you know and solve for the missing number.
1. Last year the 6
th
grade had 350 students. This year the number decreased 36%. How many
students are in this year’s 6
th
grade class?
2. Enrollment in the Ski/Snowboard Club increased by 30% this year. There are now 182
students in the club. How many students were there last year?
3. The Game Stop is having a sale and all games are reduced by 55%. If a game is now
$29.99, what was the original price? Round your answer to the nearest cent.
4. AYSO has 18 8
th
grade boys’ teams this year, but this is a 28% (rounded to the nearest
whole number) decrease from the prior year. How many 8
th
grade teams were there last year?
