Decimal to Percent
Percent to Decimal
Percent Increase
Percent Decrease
Word Problem
100

.19

19%


100

73%

0.73

100

From 18 to 45

150%

100

From 50 to 43

14%

100

Five years ago, a 70" TV cost $2,400. Now, it costs about $1,680. What is the percent decrease in the TV price?

30%

200

.84

84%

200

66%

.66

200

From 112 to 140

25%

200
From 50 to 22

56%

200

A German shepherd puppy weighed 25 pounds at 4 months old and 31 pounds at 5 months old. What is the percent increase?

24%

300

.05

5%

300

10%

.1 or .10

300

From 20 to 35%

75%

300

From 40 to 38

5%

300

The butterfly population at Glen Arbor Farms was 250 last year. This year there are 100 butterflies. What is the percent decrease?

60%

400

3.48

348%

400

3%

.03

400

From 28 to 42

50%

400

From 60 to 36

40%

400

A peanut butter company is changing its packaging. The current container holds 16 oz of peanut butter. The new container will hold 14 oz. What is the percent decrease in volume for the new package?

12.5%

500

.07

7%

500

217%

2.17

500

From 18 to 32

100%

500

From 32 to 18

50%

500

Pizza King decided to decrease the price of a large pizza from $16 to $12. What was the discount? 

25%