If you scored 40 in a test where the total mark was 50. The percetnage you achieved would be your mark divided by the total possible ad timesed by a hundred:
(40/50) x 100 = 80%
So devide the number by the maximum to make it into a fraction, and then times by a hundred. This is why (for lower level mathematics) percentages are said to never exceed 100% as one could never get more than 50 out of 50 on the test:
(50/50) x 100 = 100%. 100% is the maximum.
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a number increase from 500 to 625 find the percentage increase
You take your percentage and divide it by 100 then times it by your whole number or what you are trying to find the percent of
say the number you start out with is A, and the number it becomes is B. to find the percentage, you must subtract A-B. Then divide the answer by A and multiply by 100% to get the percentage. (A-B)/A * 100% ex. 10 is the number you start with, 4 is the second number. So A=10 and B=4 10-4=6 6/10=0.6 multiply by 100% to get the percentage 60% so the percent of decrease is 60%
In order to find x percent of any number the general way of doing that is to multiply the number by the percentage. Since percentage means hundredths of any number, percentages are written with the decimal point moved two places toward the left-hand side. Your Done!
You find the percentage equivalent and the round the result to the nearest whole number.