53.58% is the change from 558 to 857
Calculation steps:
[( 857 - 558 ) ÷ 558] x 100 = 53.58%
Formula
Percentage change = [(857 - 558) / 558] x 100
Subtract the new number by the original number
857 - 558 = 299
299 ÷ 558 = 0.53584229390681
0.53584229390681 x 100 = 53.58%