46.88% is the change from 128 to 188
Calculation steps:
[( 188 - 128 ) ÷ 128] x 100 = 46.88%
Formula
Percentage change = [(188 - 128) / 128] x 100
Subtract the new number by the original number
188 - 128 = 60
60 ÷ 128 = 0.46875
0.46875 x 100 = 46.88%