Percents to Decimals
Decimals to Percents
Percent Proportion
Percent of Change
Discounts
Mark-Ups/Tax
100

Write the percent as a decimal: 5%

0.05

100

Change the decimal to a percent: 0.08

8%

100

What number is 60% of 120?

72


switcharoo

100

Find the percent of change: $120 to $50

58.3% decrease 

100

Original Price: $130 

Discount: 60% 

Sale Price: ?

$52

100

Cost to Store: $45

Mark-Up: 35%

Selling Price: ?

$60.75

200

Change the percent to a decimal: 98%

0.98

200

Change the decimal to a percent: 0.75

75%

200

32 is what percent of 200?

16%

200

Find the percent of change: 

60 pounds to 80 pounds

33.3% INCREASE


double

200

Original Price: $32

Discount: ? 

Sale Price: $8

25%


switcharoo

200

Cost to store: $0.95 

Mark-Up: 60% 

Selling Price: ?

$1.52

300

Change the percent to a decimal: 89%

0.89


switcharoo

300

Change the decimal to a percent:    0.07

7%

300

175 is what percent of 200?

87.5%

300

Find the percent of change: 


32 feet to 16 feet

50% DECREASE

300

Original Price: $150 

Discount: 20% 

Sale Price: 

$120

300

Cost of Item: $98

Sales Tax: 8% 

Final Price: ?

$105.84

400

Change the percent to a decimal: 135%

1.35


double

400

Change the decimal to a percent: 1.76

176%

400

What number is 30% of 70? 

21

400

Find the percent of change: 

12 gallons to 36 gallons

200% INCREASE

400

Original Price: $99.99 

Discount: 13% 

Sale Price: ?

$86.99


double

400
Price of Item: $36 


Sales Tax: 6% 

Final Price: ?

$38.16

500

Change the percent to a decimal: 3%

0.03

500

Change the decimal to a percent: 0.654

65.4%

500

You earned an 80% on a science test. You answered 20 questions correctly. How many questions were on the test?

25 questions

500

Find the percent of change: 

400 meters to 350 meters

12.5% DECREASE

500

Original Price: $100.00 

Discount: 21% 

Sale Price: ?

$79.00

500

Cost to Store: $99.50 

Mark-Up: 95%

Selling Price: ?

$194.03