-13.99% is the change from 586 to 504
Calculation steps:
[( 504 - 586 ) ÷ 586] x 100 = -13.99%
Formula
Percentage change = [(504 - 586) / 586] x 100
Subtract the new number by the original number
504 - 586 = -82
-82 ÷ 586 = -0.13993174061433447
-0.13993174061433447 x 100 = -13.99%