42.08% is the change from 549 to 780
Calculation steps:
[( 780 - 549 ) ÷ 549] x 100 = 42.08%
Formula
Percentage change = [(780 - 549) / 549] x 100
Subtract the new number by the original number
780 - 549 = 231
231 ÷ 549 = 0.4207650273224044
0.4207650273224044 x 100 = 42.08%