-98.81% is the change from 504 to 6
Calculation steps:
[( 6 - 504 ) ÷ 504] x 100 = -98.81%
Formula
Percentage change = [(6 - 504) / 504] x 100
Subtract the new number by the original number
6 - 504 = -498
-498 ÷ 504 = -0.9880952380952381
-0.9880952380952381 x 100 = -98.81%