The Percent Proportion and Percent of Change

Calculate the percent increase. Round to the nearest percent.

Original: 74

New: 85

• 0.15%

• 0.13%

• 13%

• 15%

What is 35% as a decimal?

What is 0.452 as a percent?

• 45.2%

• 4.52%

• 0.452%

• 452%

What number is 40% of 80?

• 30

• 32

• 320

• 40

Calculate the percent change from 50 to 75.

• 25%

• 50%

• 75%

• 100%

What is the percent change when a quantity increases from 100 to 150?

• 25%

• 50%

• 75%

• 100%

In a percent proportion, One ratio compares a ​ (a)   of a quantity to the ​ (b)   .

• part

• whole

• proportion

• percent

• ratio

Match the correct proportion and value for change for the following situations.

b

d

e

g

h

i

increase $7

decrease $7

decrease $5

increase $5

Use Notes #10.

Drag and drop the correct percent of change to each box.

a

b

c

20% decrease

23% decrease

25% increase

33% increase

Match the keywords that represent different parts of the percent proportion:

• Is

• Percent

• %

• Part

• Of

• Whole