-83.08% is the change from 863 to 146
Calculation steps:
[( 146 - 863 ) ÷ 863] x 100 = -83.08%
Formula
Percentage change = [(146 - 863) / 863] x 100
Subtract the new number by the original number
146 - 863 = -717
-717 ÷ 863 = -0.8308227114716107
-0.8308227114716107 x 100 = -83.08%