58.12% is the change from 542 to 857
Calculation steps:
[( 857 - 542 ) ÷ 542] x 100 = 58.12%
Formula
Percentage change = [(857 - 542) / 542] x 100
Subtract the new number by the original number
857 - 542 = 315
315 ÷ 542 = 0.5811808118081181
0.5811808118081181 x 100 = 58.12%