-54.8% is the change from 635 to 287
Calculation steps:
[( 287 - 635 ) ÷ 635] x 100 = -54.8%
Formula
Percentage change = [(287 - 635) / 635] x 100
Subtract the new number by the original number
287 - 635 = -348
-348 ÷ 635 = -0.5480314960629922
-0.5480314960629922 x 100 = -54.8%