-95.87% is the change from 823 to 34
Calculation steps:
[( 34 - 823 ) ÷ 823] x 100 = -95.87%
Formula
Percentage change = [(34 - 823) / 823] x 100
Subtract the new number by the original number
34 - 823 = -789
-789 ÷ 823 = -0.9586877278250304
-0.9586877278250304 x 100 = -95.87%