-79.23% is the change from 833 to 173
Calculation steps:
[( 173 - 833 ) ÷ 833] x 100 = -79.23%
Formula
Percentage change = [(173 - 833) / 833] x 100
Subtract the new number by the original number
173 - 833 = -660
-660 ÷ 833 = -0.7923169267707083
-0.7923169267707083 x 100 = -79.23%