-63.39% is the change from 855 to 313
Calculation steps:
[( 313 - 855 ) ÷ 855] x 100 = -63.39%
Formula
Percentage change = [(313 - 855) / 855] x 100
Subtract the new number by the original number
313 - 855 = -542
-542 ÷ 855 = -0.6339181286549708
-0.6339181286549708 x 100 = -63.39%