-2.18% is the change from 504 to 493
Calculation steps:
[( 493 - 504 ) ÷ 504] x 100 = -2.18%
Formula
Percentage change = [(493 - 504) / 504] x 100
Subtract the new number by the original number
493 - 504 = -11
-11 ÷ 504 = -0.021825396825396824
-0.021825396825396824 x 100 = -2.18%