-0.37% is the change from 273 to 272
Calculation steps:
[( 272 - 273 ) ÷ 273] x 100 = -0.37%
Formula
Percentage change = [(272 - 273) / 273] x 100
Subtract the new number by the original number
272 - 273 = -1
-1 ÷ 273 = -0.003663003663003663
-0.003663003663003663 x 100 = -0.37%