-63.15% is the change from 863 to 318
Calculation steps:
[( 318 - 863 ) ÷ 863] x 100 = -63.15%
Formula
Percentage change = [(318 - 863) / 863] x 100
Subtract the new number by the original number
318 - 863 = -545
-545 ÷ 863 = -0.6315179606025493
-0.6315179606025493 x 100 = -63.15%