-60.93% is the change from 279 to 109
Calculation steps:
[( 109 - 279 ) ÷ 279] x 100 = -60.93%
Formula
Percentage change = [(109 - 279) / 279] x 100
Subtract the new number by the original number
109 - 279 = -170
-170 ÷ 279 = -0.6093189964157706
-0.6093189964157706 x 100 = -60.93%