-99.65% is the change from 860 to 3
Calculation steps:
[( 3 - 860 ) ÷ 860] x 100 = -99.65%
Formula
Percentage change = [(3 - 860) / 860] x 100
Subtract the new number by the original number
3 - 860 = -857
-857 ÷ 860 = -0.9965116279069768
-0.9965116279069768 x 100 = -99.65%