-56.32% is the change from 657 to 287
Calculation steps:
[( 287 - 657 ) ÷ 657] x 100 = -56.32%
Formula
Percentage change = [(287 - 657) / 657] x 100
Subtract the new number by the original number
287 - 657 = -370
-370 ÷ 657 = -0.563165905631659
-0.563165905631659 x 100 = -56.32%