-85.86% is the change from 863 to 122
Calculation steps:
[( 122 - 863 ) ÷ 863] x 100 = -85.86%
Formula
Percentage change = [(122 - 863) / 863] x 100
Subtract the new number by the original number
122 - 863 = -741
-741 ÷ 863 = -0.8586326767091541
-0.8586326767091541 x 100 = -85.86%