kPercent Calculations

Inputting a value and with a percent (%) sign makes the value a percent. The percent (%) sign uses the value immediately before it as the argument, which is simply divided by 100 to get the percentage value.

A Percent Calculation Examples

Example 1:

2 % = 0.02 (

2

)

 

 

 

 

100

 

 

2!((%)w

 

 

 

 

 

Example 2:

150 × 20% = 30

(150 ×

20

)

 

100

150*20 !((%)w

Example 3: What percent of 880 is 660?

660/880 !((%)w

Example 4: Increase 2,500 by 15%.

2500+2500*

15!((%)w

Example 5: Reduce 3,500 by 25%.

3500-3500*

25!((%)w

Example 6: Reduce the sum of 168, 98, and 734 by 20%.

2%

002

150× 20%

30

660÷880%

75

2500+ 2500× 15%

2875

3500– 3500×25%

2625

168+98+734w

-G*20!((%)w

168+98 + 734

1000

An s –An s ×20%

800

Example 7: If 300 grams are added to a test sample originally weighing 500 grams, what is the percentage increase in weight?

(500+300) ( 500 +300 ) ÷ 500%

/500!((%)w 160

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