97.07% is the change from 273 to 538
Calculation steps:
[( 538 - 273 ) ÷ 273] x 100 = 97.07%
Formula
Percentage change = [(538 - 273) / 273] x 100
Subtract the new number by the original number
538 - 273 = 265
265 ÷ 273 = 0.9706959706959707
0.9706959706959707 x 100 = 97.07%