56.1% is the change from 549 to 857
Calculation steps:
[( 857 - 549 ) ÷ 549] x 100 = 56.1%
Formula
Percentage change = [(857 - 549) / 549] x 100
Subtract the new number by the original number
857 - 549 = 308
308 ÷ 549 = 0.5610200364298725
0.5610200364298725 x 100 = 56.1%