-1.18% is the change from 510 to 504
Calculation steps:
[( 504 - 510 ) ÷ 510] x 100 = -1.18%
Formula
Percentage change = [(504 - 510) / 510] x 100
Subtract the new number by the original number
504 - 510 = -6
-6 ÷ 510 = -0.011764705882352941
-0.011764705882352941 x 100 = -1.18%