65.63% is the change from 64 to 106
Calculation steps:
[( 106 - 64 ) ÷ 64] x 100 = 65.63%
Formula
Percentage change = [(106 - 64) / 64] x 100
Subtract the new number by the original number
106 - 64 = 42
42 ÷ 64 = 0.65625
0.65625 x 100 = 65.63%
Example