37.5% is the change from 128 to 176
Calculation steps:
[( 176 - 128 ) ÷ 128] x 100 = 37.5%
Formula
Percentage change = [(176 - 128) / 128] x 100
Subtract the new number by the original number
176 - 128 = 48
48 ÷ 128 = 0.375
0.375 x 100 = 37.5%
Example