-84.32% is the change from 861 to 135
Calculation steps:
[( 135 - 861 ) ÷ 861] x 100 = -84.32%
Formula
Percentage change = [(135 - 861) / 861] x 100
Subtract the new number by the original number
135 - 861 = -726
-726 ÷ 861 = -0.8432055749128919
-0.8432055749128919 x 100 = -84.32%