100.4% is the change from 496 to 994
Calculation steps:
[( 994 - 496 ) ÷ 496] x 100 = 100.4%
Formula
Percentage change = [(994 - 496) / 496] x 100
Subtract the new number by the original number
994 - 496 = 498
498 ÷ 496 = 1.0040322580645162
1.0040322580645162 x 100 = 100.4%