-82.71% is the change from 833 to 144
Calculation steps:
[( 144 - 833 ) ÷ 833] x 100 = -82.71%
Formula
Percentage change = [(144 - 833) / 833] x 100
Subtract the new number by the original number
144 - 833 = -689
-689 ÷ 833 = -0.8271308523409364
-0.8271308523409364 x 100 = -82.71%