-86.77% is the change from 839 to 111
Calculation steps:
[( 111 - 839 ) ÷ 839] x 100 = -86.77%
Formula
Percentage change = [(111 - 839) / 839] x 100
Subtract the new number by the original number
111 - 839 = -728
-728 ÷ 839 = -0.867699642431466
-0.867699642431466 x 100 = -86.77%