-97.07% is the change from 273 to 8
Calculation steps:
[( 8 - 273 ) ÷ 273] x 100 = -97.07%
Formula
Percentage change = [(8 - 273) / 273] x 100
Subtract the new number by the original number
8 - 273 = -265
-265 ÷ 273 = -0.9706959706959707
-0.9706959706959707 x 100 = -97.07%