-98.82% is the change from 508 to 6
Calculation steps:
[( 6 - 508 ) ÷ 508] x 100 = -98.82%
Formula
Percentage change = [(6 - 508) / 508] x 100
Subtract the new number by the original number
6 - 508 = -502
-502 ÷ 508 = -0.9881889763779528
-0.9881889763779528 x 100 = -98.82%