-95.22% is the change from 502 to 24
Calculation steps:
[( 24 - 502 ) ÷ 502] x 100 = -95.22%
Formula
Percentage change = [(24 - 502) / 502] x 100
Subtract the new number by the original number
24 - 502 = -478
-478 ÷ 502 = -0.952191235059761
-0.952191235059761 x 100 = -95.22%