Monday, January 23, 2012

How to calculate percentage ?

I was told to calculate the percentage you needed to divide the smaller number by the bigger number and multiply by 100, for example 65/89=0.73X100=73 is this correct ?How to calculate percentage ?
Not strictly correct. Depending on what you are measuring, you might want to divide the larger number by the smaller one.



For example 120 as a percentage of 200 is (120/200) * 100 = 60%



But 120 as a percentage of 80 is (120/80) * 100 = 150%



The key bit is "as a percentage of" goes on the bottom of the equationHow to calculate percentage ?
x is what % of y? %26lt;-- is the equation for percentage.



10= x% of 100

x=10

------------

x=10% of 100

x=.1 * 100

x=10

-------------

10=10% of x

x=10/.1

x=100



~DavidHow to calculate percentage ?
Yes
yes

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