27.84% is the change from 273 to 349
Calculation steps:
[( 349 - 273 ) ÷ 273] x 100 = 27.84%
Formula
Percentage change = [(349 - 273) / 273] x 100
Subtract the new number by the original number
349 - 273 = 76
76 ÷ 273 = 0.2783882783882784
0.2783882783882784 x 100 = 27.84%