114.29% is the change from 42 to 90
Calculation steps:
[( 90 - 42 ) ÷ 42] x 100 = 114.29%
Formula
Percentage change = [(90 - 42) / 42] x 100
Subtract the new number by the original number
90 - 42 = 48
48 ÷ 42 = 1.1428571428571428
1.1428571428571428 x 100 = 114.29%