-98.81% is the change from 506 to 6
Calculation steps:
[( 6 - 506 ) ÷ 506] x 100 = -98.81%
Formula
Percentage change = [(6 - 506) / 506] x 100
Subtract the new number by the original number
6 - 506 = -500
-500 ÷ 506 = -0.9881422924901185
-0.9881422924901185 x 100 = -98.81%