-63.71% is the change from 868 to 315
Calculation steps:
[( 315 - 868 ) ÷ 868] x 100 = -63.71%
Formula
Percentage change = [(315 - 868) / 868] x 100
Subtract the new number by the original number
315 - 868 = -553
-553 ÷ 868 = -0.6370967741935484
-0.6370967741935484 x 100 = -63.71%