100.4% is the change from 497 to 996
Calculation steps:
[( 996 - 497 ) ÷ 497] x 100 = 100.4%
Formula
Percentage change = [(996 - 497) / 497] x 100
Subtract the new number by the original number
996 - 497 = 499
499 ÷ 497 = 1.0040241448692153
1.0040241448692153 x 100 = 100.4%