-95.02% is the change from 502 to 25
Calculation steps:
[( 25 - 502 ) ÷ 502] x 100 = -95.02%
Formula
Percentage change = [(25 - 502) / 502] x 100
Subtract the new number by the original number
25 - 502 = -477
-477 ÷ 502 = -0.950199203187251
-0.950199203187251 x 100 = -95.02%