-20.39% is the change from 863 to 687
Calculation steps:
[( 687 - 863 ) ÷ 863] x 100 = -20.39%
Formula
Percentage change = [(687 - 863) / 863] x 100
Subtract the new number by the original number
687 - 863 = -176
-176 ÷ 863 = -0.20393974507531865
-0.20393974507531865 x 100 = -20.39%