40.63% is the change from 128 to 180
Calculation steps:
[( 180 - 128 ) ÷ 128] x 100 = 40.63%
Formula
Percentage change = [(180 - 128) / 128] x 100
Subtract the new number by the original number
180 - 128 = 52
52 ÷ 128 = 0.40625
0.40625 x 100 = 40.63%