53.86% is the change from 557 to 857
Calculation steps:
[( 857 - 557 ) ÷ 557] x 100 = 53.86%
Formula
Percentage change = [(857 - 557) / 557] x 100
Subtract the new number by the original number
857 - 557 = 300
300 ÷ 557 = 0.5385996409335727
0.5385996409335727 x 100 = 53.86%