-57.32% is the change from 656 to 280
Calculation steps:
[( 280 - 656 ) ÷ 656] x 100 = -57.32%
Formula
Percentage change = [(280 - 656) / 656] x 100
Subtract the new number by the original number
280 - 656 = -376
-376 ÷ 656 = -0.573170731707317
-0.573170731707317 x 100 = -57.32%