-99.64% is the change from 835 to 3
Calculation steps:
[( 3 - 835 ) ÷ 835] x 100 = -99.64%
Formula
Percentage change = [(3 - 835) / 835] x 100
Subtract the new number by the original number
3 - 835 = -832
-832 ÷ 835 = -0.9964071856287425
-0.9964071856287425 x 100 = -99.64%