How to work out percentage increase and decrease

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  • Created by: Emma
  • Created on: 05-06-12 12:21
  • rate of change : [100% * (final / initial)] - 100%
    (note: if change is + : increase; if change is - : decrease)
    [100% * (15.8/14.1)] - 100%
    = (100% * 1.12) - 100%
    = 112% - 100%
    = 12% increase

The way to work it out

  • First of all ,there are two quantities.We term one as "initial quantity " and the second one as the final quantity".If the final quantity is more than the initial quantity,we say that there is an increase…

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