57.51% is the change from 273 to 430
Calculation steps:
[( 430 - 273 ) ÷ 273] x 100 = 57.51%
Formula
Percentage change = [(430 - 273) / 273] x 100
Subtract the new number by the original number
430 - 273 = 157
157 ÷ 273 = 0.575091575091575
0.575091575091575 x 100 = 57.51%