How many more households, percentage wise, had residents ages 45 to 64 compared to ages 18 to 24?
return households ;return residents of #1 ;return ages  of #2 ;return #1 where #3 is 45 to 64 ;return #1 where #3 is 18 to 24 ;return percentage of #4 ;return percentage of #5 ;return difference of #6 and  #7
['select', 'project', 'project', 'comparative', 'comparative', 'project', 'project', 'arithmetic']