How do you calculate percentage change?

Percentage change is often required to utilise figures provided in case studies and present them as evidence, or to use in other calculations.

For example:

If you were asked to calcuate the percentage change in output, from 460,000 units to 520,000 units.

The calculation is: change between values ​ x100

                                      original value

Change between values= 520,000- 460,000= 60,000

You then insert this figure into the calculation.



You can remember this as ​different ​value, goes above ​original; ​because d is before o in the alphabet.

And then always multiply by 100 as this figure is a percentage.

So the answer is 13%

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