-29.52% is the change from 813 to 573
Calculation steps:
[( 573 - 813 ) ÷ 813] x 100 = -29.52%
Formula
Percentage change = [(573 - 813) / 813] x 100
Subtract the new number by the original number
573 - 813 = -240
-240 ÷ 813 = -0.2952029520295203
-0.2952029520295203 x 100 = -29.52%