128.57% is the change from 42 to 96
Calculation steps:
[( 96 - 42 ) ÷ 42] x 100 = 128.57%
Formula
Percentage change = [(96 - 42) / 42] x 100
Subtract the new number by the original number
96 - 42 = 54
54 ÷ 42 = 1.2857142857142858
1.2857142857142858 x 100 = 128.57%