64.06% is the change from 64 to 105
Calculation steps:
[( 105 - 64 ) ÷ 64] x 100 = 64.06%
Formula
Percentage change = [(105 - 64) / 64] x 100
Subtract the new number by the original number
105 - 64 = 41
41 ÷ 64 = 0.640625
0.640625 x 100 = 64.06%
Example