-17.77% is the change from 833 to 685
Calculation steps:
[( 685 - 833 ) ÷ 833] x 100 = -17.77%
Formula
Percentage change = [(685 - 833) / 833] x 100
Subtract the new number by the original number
685 - 833 = -148
-148 ÷ 833 = -0.17767106842737096
-0.17767106842737096 x 100 = -17.77%