Percent change: increase or decrease

Subtract to find the change, then divide by the starting number and multiply by 100.

1. A value changes from 150 to 165. Is that a percent increase or decrease, and by how much? Write the percent only.
2. A value changes from 100 to 90. Is that a percent increase or decrease, and by how much? Write the percent only.
3. A value changes from 100 to 110. Is that a percent increase or decrease, and by how much? Write the percent only.
4. A value changes from 45 to 36. Is that a percent increase or decrease, and by how much? Write the percent only.
5. A value changes from 85 to 102. Is that a percent increase or decrease, and by how much? Write the percent only.
6. A value changes from 168 to 210. Is that a percent increase or decrease, and by how much? Write the percent only.
7. A value changes from 160 to 144. Is that a percent increase or decrease, and by how much? Write the percent only.
8. A value changes from 58 to 29. Is that a percent increase or decrease, and by how much? Write the percent only.
9. A value changes from 80 to 104. Is that a percent increase or decrease, and by how much? Write the percent only.
10. A value changes from 245 to 294. Is that a percent increase or decrease, and by how much? Write the percent only.
11. A value changes from 250 to 325. Is that a percent increase or decrease, and by how much? Write the percent only.
12. A value changes from 130 to 143. Is that a percent increase or decrease, and by how much? Write the percent only.
13. A value changes from 300 to 390. Is that a percent increase or decrease, and by how much? Write the percent only.
14. A value changes from 84 to 63. Is that a percent increase or decrease, and by how much? Write the percent only.
15. A value changes from 180 to 171. Is that a percent increase or decrease, and by how much? Write the percent only.
16. A value changes from 340 to 442. Is that a percent increase or decrease, and by how much? Write the percent only.
17. A value changes from 310 to 403. Is that a percent increase or decrease, and by how much? Write the percent only.
18. A value changes from 435 to 522. Is that a percent increase or decrease, and by how much? Write the percent only.
19. A value changes from 150 to 105. Is that a percent increase or decrease, and by how much? Write the percent only.
20. A value changes from 180 to 207. Is that a percent increase or decrease, and by how much? Write the percent only.