Hi,
Try:
SELECT T0.[DocNum],T0.[ItemCode], T0.[Status], T0.[U_WtCoil], sum(T1.[U_ScrapWt]) as 'Total Scrap Weight', T0.[U_WtCoil]- sum(T1.[U_ScrapWt]) as 'Bal coil' ,
case when T0.[U_WtCoil] = 0 then 0 else
(isnull(T0.[U_WtCoil],0) - isnull(sum(T1.[U_ScrapWt]),0)) / isnull(T0.[U_WtCoil],0) * 100 end as Percentage,
case when T0.[U_WtCoil] = 0 then 0 else
isnull(sum(T1.[U_ScrapWt]),0) / isnull(T0.[U_WtCoil],0) * 100 end as 'Scrap Percentage'
FROM OWOR T0 INNER JOIN WOR1 T1 ON T0.DocEntry = T1.DocEntry WHERE T0.[DocNum] = '200042' GROUP BY T0.[DocNum],T0.[ItemCode], T0.[Status], T0.[U_WtCoil], T0.[U_WtCoil]
Thanks & Regards,
Nagarajan