83.59% is the change from 128 to 235
Calculation steps:
[( 235 - 128 ) ÷ 128] x 100 = 83.59%
Formula
Percentage change = [(235 - 128) / 128] x 100
Subtract the new number by the original number
235 - 128 = 107
107 ÷ 128 = 0.8359375
0.8359375 x 100 = 83.59%