-13.75% is the change from 582 to 502
Calculation steps:
[( 502 - 582 ) ÷ 582] x 100 = -13.75%
Formula
Percentage change = [(502 - 582) / 582] x 100
Subtract the new number by the original number
502 - 582 = -80
-80 ÷ 582 = -0.13745704467353953
-0.13745704467353953 x 100 = -13.75%