-4.01% is the change from 573 to 550
Calculation steps:
[( 550 - 573 ) ÷ 573] x 100 = -4.01%
Formula
Percentage change = [(550 - 573) / 573] x 100
Subtract the new number by the original number
550 - 573 = -23
-23 ÷ 573 = -0.04013961605584642
-0.04013961605584642 x 100 = -4.01%