-26.86% is the change from 819 to 599
Calculation steps:
[( 599 - 819 ) ÷ 819] x 100 = -26.86%
Formula
Percentage change = [(599 - 819) / 819] x 100
Subtract the new number by the original number
599 - 819 = -220
-220 ÷ 819 = -0.2686202686202686
-0.2686202686202686 x 100 = -26.86%