-99.65% is the change from 861 to 3
Calculation steps:
[( 3 - 861 ) ÷ 861] x 100 = -99.65%
Formula
Percentage change = [(3 - 861) / 861] x 100
Subtract the new number by the original number
3 - 861 = -858
-858 ÷ 861 = -0.9965156794425087
-0.9965156794425087 x 100 = -99.65%