-30.53% is the change from 819 to 569
Calculation steps:
[( 569 - 819 ) ÷ 819] x 100 = -30.53%
Formula
Percentage change = [(569 - 819) / 819] x 100
Subtract the new number by the original number
569 - 819 = -250
-250 ÷ 819 = -0.3052503052503053
-0.3052503052503053 x 100 = -30.53%