101.56% is the change from 128 to 258
Calculation steps:
[( 258 - 128 ) ÷ 128] x 100 = 101.56%
Formula
Percentage change = [(258 - 128) / 128] x 100
Subtract the new number by the original number
258 - 128 = 130
130 ÷ 128 = 1.015625
1.015625 x 100 = 101.56%