-97.86% is the change from 280 to 6
Calculation steps:
[( 6 - 280 ) ÷ 280] x 100 = -97.86%
Formula
Percentage change = [(6 - 280) / 280] x 100
Subtract the new number by the original number
6 - 280 = -274
-274 ÷ 280 = -0.9785714285714285
-0.9785714285714285 x 100 = -97.86%