-3.97% is the change from 504 to 484
Calculation steps:
[( 484 - 504 ) ÷ 504] x 100 = -3.97%
Formula
Percentage change = [(484 - 504) / 504] x 100
Subtract the new number by the original number
484 - 504 = -20
-20 ÷ 504 = -0.03968253968253968
-0.03968253968253968 x 100 = -3.97%