Percent of Change COURSE 3 LESSON 6-5 In 1980, the population of New Orleans was 557,927. In 1990, its population was 496,938. Find the percent of decrease. Round to the nearest tenth of a percent. amount of change = 557,927 – 496,938 = 60,989 P = 60,989 557,927 amount of change original amount = 0.109313584 Use a calculator. 10.9% Write the decimal as a percent. Round to the nearest tenth of a percent. The population decreased by about 10.9%. 6-5

Percent of Change Round to the nearest whole percent. COURSE 3 LESSON 6-5 Round to the nearest whole percent. 1. The population in Arthur County, Nebraska, dropped from 462 in 1990 to 444 in 2000. What was the percent of decrease? 2. Eighty-one people attended last year’s annual picnic, and 93 people attended this year’s picnic. What is the percent of increase? about 4% about 15% 6-5