65.63% is the change from 128 to 212
Calculation steps:
[( 212 - 128 ) ÷ 128] x 100 = 65.63%
Formula
Percentage change = [(212 - 128) / 128] x 100
Subtract the new number by the original number
212 - 128 = 84
84 ÷ 128 = 0.65625
0.65625 x 100 = 65.63%