How many more, in percent, commuters drove to work alone in 2016 compared to those that carpooled to work?
return commuters ;return #1 that drove to work alone ;return #1 that carpooled to work ;return #2 in  2016 ;return #3 in  2016 ;return percent of #4 ;return percent of #5 ;return the  difference of #6 and  #7
['select', 'filter', 'filter', 'filter', 'filter', 'project', 'project', 'arithmetic']