101.1% is the change from 273 to 549
Calculation steps:
[( 549 - 273 ) ÷ 273] x 100 = 101.1%
Formula
Percentage change = [(549 - 273) / 273] x 100
Subtract the new number by the original number
549 - 273 = 276
276 ÷ 273 = 1.010989010989011
1.010989010989011 x 100 = 101.1%