-18.85% is the change from 504 to 409
Calculation steps:
[( 409 - 504 ) ÷ 504] x 100 = -18.85%
Formula
Percentage change = [(409 - 504) / 504] x 100
Subtract the new number by the original number
409 - 504 = -95
-95 ÷ 504 = -0.1884920634920635
-0.1884920634920635 x 100 = -18.85%