-35.48% is the change from 279 to 180
Calculation steps:
[( 180 - 279 ) ÷ 279] x 100 = -35.48%
Formula
Percentage change = [(180 - 279) / 279] x 100
Subtract the new number by the original number
180 - 279 = -99
-99 ÷ 279 = -0.3548387096774194
-0.3548387096774194 x 100 = -35.48%