479.31% is the change from 87 to 504
Calculation steps:
[( 504 - 87 ) ÷ 87] x 100 = 479.31%
Formula
Percentage change = [(504 - 87) / 87] x 100
Subtract the new number by the original number
504 - 87 = 417
417 ÷ 87 = 4.793103448275862
4.793103448275862 x 100 = 479.31%