-9.89% is the change from 273 to 246
Calculation steps:
[( 246 - 273 ) ÷ 273] x 100 = -9.89%
Formula
Percentage change = [(246 - 273) / 273] x 100
Subtract the new number by the original number
246 - 273 = -27
-27 ÷ 273 = -0.0989010989010989
-0.0989010989010989 x 100 = -9.89%