-12.57% is the change from 573 to 501
Calculation steps:
[( 501 - 573 ) ÷ 573] x 100 = -12.57%
Formula
Percentage change = [(501 - 573) / 573] x 100
Subtract the new number by the original number
501 - 573 = -72
-72 ÷ 573 = -0.1256544502617801
-0.1256544502617801 x 100 = -12.57%