The percentage of any number can be found by the method described below. It always has to be remembered that any percentage given can be determined by multiplying the percentage number with the number from which the percentage has to be determined.
12% of 72 = (12/100) * 72
= 0.12 * 72
= 8.64
8.64 is 12% of 72. Determining any kind of percentage will not be a challenge for anybody if the above procedure is followed step by step.