-97.13% is the change from 279 to 8
Calculation steps:
[( 8 - 279 ) ÷ 279] x 100 = -97.13%
Formula
Percentage change = [(8 - 279) / 279] x 100
Subtract the new number by the original number
8 - 279 = -271
-271 ÷ 279 = -0.9713261648745519
-0.9713261648745519 x 100 = -97.13%