Buy how many percentages did the number of people living in poverty go up from 2014 2015?
return people ;return #1 living in  poverty ;return #2 in  2014 ;return #2 in  2015 ;return percentage of #3 ;return percentage of #4 ;return the  difference of #6 and  #5
['select', 'filter', 'filter', 'filter', 'project', 'project', 'arithmetic']