-75.21% is the change from 823 to 204
Calculation steps:
[( 204 - 823 ) ÷ 823] x 100 = -75.21%
Formula
Percentage change = [(204 - 823) / 823] x 100
Subtract the new number by the original number
204 - 823 = -619
-619 ÷ 823 = -0.7521263669501823
-0.7521263669501823 x 100 = -75.21%