How To Calculate Percentage Increase

Using Bash

Bash To Calculate Percentage For Time Differences




To calculate the percentage increase:

First: work out the difference (increase) between the two numbers you are comparing.

Code:

Increase = New Number - Original Number

Then:  divide the increase by the original number and multiply the answer by 100.

Code:

% increase = Increase ÷ Original Number × 100.

If your answer is a negative number then this is a percentage decrease.



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decrease



For an explanation and examples of using percentages generally see our page Percentages: An Introduction. For more general percentage calculations see our page Percentage Calculators.
To calculate the percentage increase:


10.5 ÷ 35 = 0.3  (See our division page for instruction and examples of division.)

Finally, to get the percentage we multiply the answer by 100.  This simply means moving the decimal place two columns to the right.

0.3 × 100 = 30




First: work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number

Then:  divide the increase by the original number and multiply the answer by 100.

% increase = Increase ÷ Original Number × 100.

If your answer is a negative number then this is a percentage decrease.

To calculate percentage decrease:

First: work out the difference (decrease) between the two numbers you are comparing.

Decrease = Original Number - New Number

Then: divide the decrease by the original number and multiply the answer by 100.

% Decrease = Decrease ÷ Original Number × 100

If your answer is a negative number then this is a percentage increase.

If you wish to calculate the percentage increase or decrease of several numbers then we recommend using the first formula.  Positive values indicate a percentage increase whereas negative values indicate percentage decrease.


Example


10.5 ÷ 35 = 0.3

Increase = New Number - Original Number


Then

 % increase = Increase ÷ Original Number × 100.