-16.83% is the change from 606 to 504
Calculation steps:
[( 504 - 606 ) ÷ 606] x 100 = -16.83%
Formula
Percentage change = [(504 - 606) / 606] x 100
Subtract the new number by the original number
504 - 606 = -102
-102 ÷ 606 = -0.16831683168316833
-0.16831683168316833 x 100 = -16.83%