-96.06% is the change from 279 to 11
Calculation steps:
[( 11 - 279 ) ÷ 279] x 100 = -96.06%
Formula
Percentage change = [(11 - 279) / 279] x 100
Subtract the new number by the original number
11 - 279 = -268
-268 ÷ 279 = -0.9605734767025089
-0.9605734767025089 x 100 = -96.06%