-17.53% is the change from 833 to 687
Calculation steps:
[( 687 - 833 ) ÷ 833] x 100 = -17.53%
Formula
Percentage change = [(687 - 833) / 833] x 100
Subtract the new number by the original number
687 - 833 = -146
-146 ÷ 833 = -0.1752701080432173
-0.1752701080432173 x 100 = -17.53%