-22.62% is the change from 504 to 390
Calculation steps:
[( 390 - 504 ) ÷ 504] x 100 = -22.62%
Formula
Percentage change = [(390 - 504) / 504] x 100
Subtract the new number by the original number
390 - 504 = -114
-114 ÷ 504 = -0.2261904761904762
-0.2261904761904762 x 100 = -22.62%