-30.04% is the change from 819 to 573
Calculation steps:
[( 573 - 819 ) ÷ 819] x 100 = -30.04%
Formula
Percentage change = [(573 - 819) / 819] x 100
Subtract the new number by the original number
573 - 819 = -246
-246 ÷ 819 = -0.30036630036630035
-0.30036630036630035 x 100 = -30.04%