-27.59% is the change from 819 to 593
Calculation steps:
[( 593 - 819 ) ÷ 819] x 100 = -27.59%
Formula
Percentage change = [(593 - 819) / 819] x 100
Subtract the new number by the original number
593 - 819 = -226
-226 ÷ 819 = -0.27594627594627597
-0.27594627594627597 x 100 = -27.59%