-28.21% is the change from 819 to 588
Calculation steps:
[( 588 - 819 ) ÷ 819] x 100 = -28.21%
Formula
Percentage change = [(588 - 819) / 819] x 100
Subtract the new number by the original number
588 - 819 = -231
-231 ÷ 819 = -0.28205128205128205
-0.28205128205128205 x 100 = -28.21%