-8.03% is the change from 623 to 573
Calculation steps:
[( 573 - 623 ) ÷ 623] x 100 = -8.03%
Formula
Percentage change = [(573 - 623) / 623] x 100
Subtract the new number by the original number
573 - 623 = -50
-50 ÷ 623 = -0.08025682182985554
-0.08025682182985554 x 100 = -8.03%