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    working out a percentage

    Please help.
    I need to work out % increases and decreases and cant remember the formula.
    If i had 1000 and add 20% i have 1200.
    1000 -1200 / 1000% = 16.66%.
    Im lost.

    3 Comments

    bigger number-smaller one/ number it changed by then multiply by 100 ?

    (1200-1000)/1000 X 100 = 20%

    divide the difference by the original figure then times by 100

    e.g. original 1000
    increased amount 1200

    1200-1000 gives you the difference of 200

    200 divided by 1000 = 0.2

    times 0.2 by 100 = 20%

    (new amount - the original amount)/original amount* 100
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