77.78% is the change from 36 to 64
Calculation steps:
[( 64 - 36 ) ÷ 36] x 100 = 77.78%
Formula
Percentage change = [(64 - 36) / 36] x 100
Subtract the new number by the original number
64 - 36 = 28
28 ÷ 36 = 0.7777777777777778
0.7777777777777778 x 100 = 77.78%