56.28% is the change from 549 to 858
Calculation steps:
[( 858 - 549 ) ÷ 549] x 100 = 56.28%
Formula
Percentage change = [(858 - 549) / 549] x 100
Subtract the new number by the original number
858 - 549 = 309
309 ÷ 549 = 0.5628415300546448
0.5628415300546448 x 100 = 56.28%