-80.32% is the change from 823 to 162
Calculation steps:
[( 162 - 823 ) ÷ 823] x 100 = -80.32%
Formula
Percentage change = [(162 - 823) / 823] x 100
Subtract the new number by the original number
162 - 823 = -661
-661 ÷ 823 = -0.8031591737545565
-0.8031591737545565 x 100 = -80.32%