81.79% is the change from 302 to 549
Calculation steps:
[( 549 - 302 ) ÷ 302] x 100 = 81.79%
Formula
Percentage change = [(549 - 302) / 302] x 100
Subtract the new number by the original number
549 - 302 = 247
247 ÷ 302 = 0.8178807947019867
0.8178807947019867 x 100 = 81.79%