-98.68% is the change from 835 to 11
Calculation steps:
[( 11 - 835 ) ÷ 835] x 100 = -98.68%
Formula
Percentage change = [(11 - 835) / 835] x 100
Subtract the new number by the original number
11 - 835 = -824
-824 ÷ 835 = -0.9868263473053892
-0.9868263473053892 x 100 = -98.68%