-41.58% is the change from 279 to 163
Calculation steps:
[( 163 - 279 ) ÷ 279] x 100 = -41.58%
Formula
Percentage change = [(163 - 279) / 279] x 100
Subtract the new number by the original number
163 - 279 = -116
-116 ÷ 279 = -0.4157706093189964
-0.4157706093189964 x 100 = -41.58%