17.97% is the change from 128 to 151
Calculation steps:
[( 151 - 128 ) ÷ 128] x 100 = 17.97%
Formula
Percentage change = [(151 - 128) / 128] x 100
Subtract the new number by the original number
151 - 128 = 23
23 ÷ 128 = 0.1796875
0.1796875 x 100 = 17.97%