-86.91% is the change from 833 to 109
Calculation steps:
[( 109 - 833 ) ÷ 833] x 100 = -86.91%
Formula
Percentage change = [(109 - 833) / 833] x 100
Subtract the new number by the original number
109 - 833 = -724
-724 ÷ 833 = -0.8691476590636255
-0.8691476590636255 x 100 = -86.91%