-28.45% is the change from 819 to 586
Calculation steps:
[( 586 - 819 ) ÷ 819] x 100 = -28.45%
Formula
Percentage change = [(586 - 819) / 819] x 100
Subtract the new number by the original number
586 - 819 = -233
-233 ÷ 819 = -0.2844932844932845
-0.2844932844932845 x 100 = -28.45%