49.22% is the change from 128 to 191
Calculation steps:
[( 191 - 128 ) ÷ 128] x 100 = 49.22%
Formula
Percentage change = [(191 - 128) / 128] x 100
Subtract the new number by the original number
191 - 128 = 63
63 ÷ 128 = 0.4921875
0.4921875 x 100 = 49.22%