1228.57% is the change from 42 to 558
Calculation steps:
[( 558 - 42 ) ÷ 42] x 100 = 1228.57%
Formula
Percentage change = [(558 - 42) / 42] x 100
Subtract the new number by the original number
558 - 42 = 516
516 ÷ 42 = 12.285714285714286
12.285714285714286 x 100 = 1228.57%