-97.85% is the change from 279 to 6
Calculation steps:
[( 6 - 279 ) ÷ 279] x 100 = -97.85%
Formula
Percentage change = [(6 - 279) / 279] x 100
Subtract the new number by the original number
6 - 279 = -273
-273 ÷ 279 = -0.978494623655914
-0.978494623655914 x 100 = -97.85%