98.44% is the change from 128 to 254
Calculation steps:
[( 254 - 128 ) ÷ 128] x 100 = 98.44%
Formula
Percentage change = [(254 - 128) / 128] x 100
Subtract the new number by the original number
254 - 128 = 126
126 ÷ 128 = 0.984375
0.984375 x 100 = 98.44%