move decimal point to left
so 2.84 / 10 = 0.284
then 2.84 / 100 = 0.0284
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Division
This is related to the fact that dividing by a number is the same as multiplying with the number's reciprocal.
100 / 0.3 is equal to 333.33
To find out the percent of a number if you know another percent you do. . . the method of Cross-Mutltiplying and Dividing, for example let's say I got 23/25 on a math test and I want to know my percentage so X/100, your equation should look something like 23/25 = x/100. now that you got your equation let's do the math. Do 23 x 100 (23 multiplied by 100) then you get an answer of 2300. You would then divide 2300 by 25 and get your answer of 92%. That's basically why this method is called cross multiplying and dividing.
percent are alway out of 100 95% = 95/100 = 0.95 100% = 100/100 = 1