1. 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 =
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

2. 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 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