-28.69% is the change from 819 to 584
Calculation steps:
[( 584 - 819 ) ÷ 819] x 100 = -28.69%
Formula
Percentage change = [(584 - 819) / 819] x 100
Subtract the new number by the original number
584 - 819 = -235
-235 ÷ 819 = -0.2869352869352869
-0.2869352869352869 x 100 = -28.69%