-0.73% is the change from 275 to 273
Calculation steps:
[( 273 - 275 ) ÷ 275] x 100 = -0.73%
Formula
Percentage change = [(273 - 275) / 275] x 100
Subtract the new number by the original number
273 - 275 = -2
-2 ÷ 275 = -0.007272727272727273
-0.007272727272727273 x 100 = -0.73%