67.19% is the change from 64 to 107
Calculation steps:
[( 107 - 64 ) ÷ 64] x 100 = 67.19%
Formula
Percentage change = [(107 - 64) / 64] x 100
Subtract the new number by the original number
107 - 64 = 43
43 ÷ 64 = 0.671875
0.671875 x 100 = 67.19%
Example