98.02% is the change from 504 to 998
Calculation steps:
[( 998 - 504 ) ÷ 504] x 100 = 98.02%
Formula
Percentage change = [(998 - 504) / 504] x 100
Subtract the new number by the original number
998 - 504 = 494
494 ÷ 504 = 0.9801587301587301
0.9801587301587301 x 100 = 98.02%