-63.57% is the change from 873 to 318
Calculation steps:
[( 318 - 873 ) ÷ 873] x 100 = -63.57%
Formula
Percentage change = [(318 - 873) / 873] x 100
Subtract the new number by the original number
318 - 873 = -555
-555 ÷ 873 = -0.6357388316151202
-0.6357388316151202 x 100 = -63.57%