-1.39% is the change from 504 to 497
Calculation steps:
[( 497 - 504 ) ÷ 504] x 100 = -1.39%
Formula
Percentage change = [(497 - 504) / 504] x 100
Subtract the new number by the original number
497 - 504 = -7
-7 ÷ 504 = -0.013888888888888888
-0.013888888888888888 x 100 = -1.39%