Percent Increase and Percent Decrease 5.1 • Find the new amount given the original amount and the percent of change 1. 9$ after 10% increase is 2. 48 cookies after 25% decrease is 3. 340 pages after 20% decrease is I 4. 28 members after 50% increase is 5. $29,000 after 4% decrease is 6. 810 songs after 130% increase is