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Math Help - Percentages

  1. #1
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    Percentages

    Hey, i never quite understood how to work out percentages, if anyone knows an idoits guide to it id be glad of the link or pasted in

    i have this maths problem i need to work out the percentage difference between these two values its comparing one days sales to antother week

    this week
    1888

    last week
    2264

    thank you
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  2. #2
    Super Member Matt Westwood's Avatar
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    A percentage is a fraction multiplied by 100. That's all you need to know, anything else is confusion.
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  3. #3
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    i have to get the percentage between 1888 and 2264 I'm supposed to get 17% i believe,



    but i dont get that
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  4. #4
    Super Member Matt Westwood's Avatar
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    "Difference" means difference. That means 2264 - 1888. Whatever that works out to, I can't find my calculator and I find arithmetic demeaning.

    "percentage" is "fraction times 100".

    So "percentage difference" is "fraction(al) difference times 100".

    The "fraction(al) difference" is the difference expressed as a fraction.

    Fraction of what??? Good question! Fraction of the first or of the second number? I believe in this context that it's the fraction of the first number.

    So the "fractional difference" is (2264 - 1888) / 2264 which if you work it out with a calculator you probably get something like 0.17 or something.

    Then the "percentage difference" is that number times 100. Which ought to get you to your 17%.
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