Name: 
 

Lesson 4.9: Percent Change


 1. 
The population of a school increased from 500 to 600 students. What is the percent increase?
a.
20%
b.
10%
c.
15%
d.
25%
 

 2. 
The population of a town increased from 1200 to 1500 residents. What is the percent increase?
a.
12%
b.
15%
c.
25%
d.
35%
 

 3. 
The height of a tree increased from 2 m to 8 m in one year. What is the percent increase?
a.
40%
b.
400%
c.
4%
d.
0.4%
 

 4. 
The population of a colony of ants decreased from 250 to 225 ants. What is the percent decrease?
a.
20%
b.
15%
c.
5%
d.
10%
 

 5. 
The population of a city decreased from 50 000 to 42 500 residents. What is the percent decrease?
a.
12%
b.
25%
c.
15%
d.
18%
 

 6. 
The amount of money in coin jar decreased from $152.60 to $99.19. What is the percent decrease?
a.
35%
b.
30%
c.
15%
d.
25%
 

 7. 
Gasoline prices decreased from 135.7¢/L in June to 78.7¢/L in November. What is the percent decrease in the price of gasoline?
a.
58%
b.
42%
c.
52%
d.
48%
 

 8. 
Sandra has $2260 in her bank account. She withdrew $519.80. By what percent did the amount in her bank account decrease?
a.
37%
b.
27%
c.
33%
d.
23%
 

 9. 
The number of students attending a local university increased from 18 676 students to 20 300 students. What is the percent increase in the student population?
a.
5%
b.
10%
c.
8%
d.
12%
 

 10. 
The number of cars sold last month at a local car dealer was 620 cars. The sales for this month dropped to 558 cars. What is the percent decrease in cars sold?
a.
15%
b.
10%
c.
18%
d.
12%
 



 
Check Your Work     Start Over