query: SELECT 
  	?series
  	?seriesLabel
  	?ep_ct_actual 
  	?ep_ct_should
  	( ROUND( ?ep_ct_actual / ?ep_ct_should * 100 ) as ?pc)
  WHERE
  {
  	{
    		SELECT 
  			?series ?ep_ct_should 
  			(COUNT(?episode) AS ?ep_ct_actual)
  		WHERE
  		{
    			?episode wdt:P31 wd:Q21191270 .
    			?episode wdt:P179 ?series . 
  	  		?series wdt:P1113 ?ep_ct_should . 
  		}
  		GROUP BY ?series ?ep_ct_should
  	}
      SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
  }
  ORDER BY DESC(?pc)