What is the percent change from 36 to 63

Initial number = 36
Final number = 63
Change in number = 63 - 36
                               = 27
Percentage change = (27/36) * 100
                                 = (3/4) * 100
                                 = 3 * 25
                                 = 75 percent
So the percentage change from 36 to 63 is 75%. I hope the procedure for solving is absolutely clear for you to understand. In future you can attempt such problems by following the procedure shown and you will require no further help from outside. Just be careful about the numerator and the denominator.

63 - 36 = 27
27 ÷ 0.75 = 36

That is a 75% change

Ithink the answer is b.