-82.99% is the change from 823 to 140
Calculation steps:
[( 140 - 823 ) ÷ 823] x 100 = -82.99%
Formula
Percentage change = [(140 - 823) / 823] x 100
Subtract the new number by the original number
140 - 823 = -683
-683 ÷ 823 = -0.8298906439854192
-0.8298906439854192 x 100 = -82.99%