-74.97% is the change from 823 to 206
Calculation steps:
[( 206 - 823 ) ÷ 823] x 100 = -74.97%
Formula
Percentage change = [(206 - 823) / 823] x 100
Subtract the new number by the original number
206 - 823 = -617
-617 ÷ 823 = -0.7496962332928311
-0.7496962332928311 x 100 = -74.97%