97.22% is the change from 504 to 994
Calculation steps:
[( 994 - 504 ) ÷ 504] x 100 = 97.22%
Formula
Percentage change = [(994 - 504) / 504] x 100
Subtract the new number by the original number
994 - 504 = 490
490 ÷ 504 = 0.9722222222222222
0.9722222222222222 x 100 = 97.22%