-29.06% is the change from 819 to 581
Calculation steps:
[( 581 - 819 ) ÷ 819] x 100 = -29.06%
Formula
Percentage change = [(581 - 819) / 819] x 100
Subtract the new number by the original number
581 - 819 = -238
-238 ÷ 819 = -0.2905982905982906
-0.2905982905982906 x 100 = -29.06%