-3.37% is the change from 593 to 573
Calculation steps:
[( 573 - 593 ) ÷ 593] x 100 = -3.37%
Formula
Percentage change = [(573 - 593) / 593] x 100
Subtract the new number by the original number
573 - 593 = -20
-20 ÷ 593 = -0.03372681281618887
-0.03372681281618887 x 100 = -3.37%