=IF(AND(G301<>0,G301<>"N/A"),IF(TODAY()>=INT(G301),"Yes","No"),"")
Could be that the data in column G has a time component but TODAY() starts at midnight. Try this instead:
Code:=IF(AND(G301<>0,G301<>"N/A"),IF(TODAY()>=INT(G301),"Yes","No"),"")
WBD