48.82% is the change from 549 to 817
Calculation steps:
[( 817 - 549 ) ÷ 549] x 100 = 48.82%
Formula
Percentage change = [(817 - 549) / 549] x 100
Subtract the new number by the original number
817 - 549 = 268
268 ÷ 549 = 0.48816029143898
0.48816029143898 x 100 = 48.82%