78.13% is the change from 64 to 114
Calculation steps:
[( 114 - 64 ) ÷ 64] x 100 = 78.13%
Formula
Percentage change = [(114 - 64) / 64] x 100
Subtract the new number by the original number
114 - 64 = 50
50 ÷ 64 = 0.78125
0.78125 x 100 = 78.13%
Example