-98.68% is the change from 833 to 11
Calculation steps:
[( 11 - 833 ) ÷ 833] x 100 = -98.68%
Formula
Percentage change = [(11 - 833) / 833] x 100
Subtract the new number by the original number
11 - 833 = -822
-822 ÷ 833 = -0.9867947178871549
-0.9867947178871549 x 100 = -98.68%