-97.22% is the change from 504 to 14
Calculation steps:
[( 14 - 504 ) ÷ 504] x 100 = -97.22%
Formula
Percentage change = [(14 - 504) / 504] x 100
Subtract the new number by the original number
14 - 504 = -490
-490 ÷ 504 = -0.9722222222222222
-0.9722222222222222 x 100 = -97.22%