# Percentage Increase Calculator

Thanks to the Percentage Increase Calculator, you can easily find out the increase from one value to another in terms of a percentage.

## How to use the Percentage increase calculator?

1. Write the Starting value in the first field (after “from”).
2. Write the Ending value / Final Value in the second field (after “to”).

The Percentage increase calculator immediately shows the percentage increase result. If it’s positive, then there was an increase, if it’s negative, then there was a decrease.

## How to calculate percentage increase?

Here is the step-by-step guide on how to calculate percentage increase:

1. Subtract End value minus Starting value
2. Divide that amount by the absolute value of the Starting value
3. Multiply by 100 to get percent increase / decrease value

Percentage Increase = ((End Value – Starting Value) / abs(Starting Value))*100%

If the percentage is negative, it means that there was a decrease not an increase.

Due to inconsistent usage, it is not always clear from the context what a percentage is relative to. When speaking of a “10% rise” or a “10% fall” in a quantity, the usual interpretation is that this is relative to the initial value of that quantity. For example, if an item is initially priced at \$200 and the price rises 10% (an increase of \$20), the new price will be \$220. Note that this final price is 110% of the initial price (100% + 10% = 110%).

### Some other examples of percent changes:

An increase of 100% in a quantity means that the final amount is 200% of the initial amount (100% of initial + 100% of increase = 200% of initial). In other words, the quantity has doubled.

An increase of 800% means the final amount is 9 times the original (100% + 800% = 900% = 9 times as large).

A decrease of 60% means the final amount is 40% of the original (100% – 60% = 40%).

A decrease of 100% means the final amount is zero (100% – 100% = 0%).

In general, a change of x percent in a quantity results in a final amount that is 100 + x percent of the original amount (equivalently, (1 + 0.01x) times the original amount).

## Example of percentage increase calculation

In the last month you saw a video card for \$250 but now it’s \$450. Let’s calculate the increase.

Percentage increase = ((450 – 250) / abs(250))*100% = (200/250)*100%=80%

So the price of the video card you would like to buy is increased by 80% from last month to this month.

You can find more Percentage Calculators here.

References

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