10% of 150 is 15 ?
formula = (10/100)*150
Prove
10/100=0.10
0.10 * 150 = 15
Say you want to find what percentage 24 is of 81:
x/100 * 82 = 24
x/100 = 24/82
x/100 = 0.292682927
x = 100 * (0.292682927)
x = 29.2682927
so 24 is about 29.2682927 of 81