Percentage Increase Calculator

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Percentage increase calculator is used to calculate the increased value of an item over a time period in terms of percentage. It can be expressed in percentage form. It can be calculated by increased value over a original value multiplied by 100.

Percentage Increase = (New value – Old value)/ (Old value) x 100

Example 1: What is the percentage of increase when a number is modified form 55 to 65?

Solution Steps:

Given that New value = 65

                  Old value = 55

Difference = 65- 55=10

Percentage Increase = (10/55) x 100

                                 = 0.18181818 x 100

                                 = 18.181818 %.

                                 = 18.18 % (nearest hundredth).

So the number is increased by 18.18%.

Example 2: What is the percentage increase in the salary of James if his salary is increased from $

149 to $199 per month?

Solution steps:

Given that New value =$199

                  Old value = $149

Difference = $ 199 - $ 149 = $50

Percentage Increase = (50 /149) x 100

                                 = 0.33557 x 100

                                 = 33.557%

                                 = 33.56% (nearest hundredth)

James salary is increased by 33.56%.

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