I want to convert this below expression into a set expression:
(sum(if(PERIOD='QTD' and FISCAL_QUARTER=SELECTED_QUARTER and DATE_KEY<=DATE AND SOURCE_FLAG='ORDERS',SALESNETAMOUNT,0))-sum(if(PERIOD='QTD' and FISCAL_QUARTER=SELECTED_QUARTER-10 and DATE_KEY<=AddYears(DATE,-1) AND SOURCE_FLAG='ORDERS',SALESNETAMOUNT,0)))/ sum(if(PERIOD='QTD' and FISCAL_QUARTER=SELECTED_QUARTER-10 and DATE_KEY<=AddYears(DATE,-1) AND SOURCE_FLAG='ORDERS',SALESNETAMOUNT,0))*100