56.04% is the change from 273 to 426
Calculation steps:
[( 426 - 273 ) ÷ 273] x 100 = 56.04%
Formula
Percentage change = [(426 - 273) / 273] x 100
Subtract the new number by the original number
426 - 273 = 153
153 ÷ 273 = 0.5604395604395604
0.5604395604395604 x 100 = 56.04%