-71.69% is the change from 823 to 233
Calculation steps:
[( 233 - 823 ) ÷ 823] x 100 = -71.69%
Formula
Percentage change = [(233 - 823) / 823] x 100
Subtract the new number by the original number
233 - 823 = -590
-590 ÷ 823 = -0.7168894289185905
-0.7168894289185905 x 100 = -71.69%