-33.83% is the change from 866 to 573
Calculation steps:
[( 573 - 866 ) ÷ 866] x 100 = -33.83%
Formula
Percentage change = [(573 - 866) / 866] x 100
Subtract the new number by the original number
573 - 866 = -293
-293 ÷ 866 = -0.33833718244803695
-0.33833718244803695 x 100 = -33.83%