-44.29% is the change from 280 to 156
Calculation steps:
[( 156 - 280 ) ÷ 280] x 100 = -44.29%
Formula
Percentage change = [(156 - 280) / 280] x 100
Subtract the new number by the original number
156 - 280 = -124
-124 ÷ 280 = -0.44285714285714284
-0.44285714285714284 x 100 = -44.29%