Dear,
You can get it through table also,
PrdOrd no. - RESB-AUFNR
requirements qty - RESB-BDMNG
withdrawn qty - RESB-ENMNG
You can download it into excel and subtract ENMNG from BDMNG.
Also Go toTcode COOIS Enter your production plant.
In "Sys.Status" enter "GMPS" and tick checkbox"Excl." and Execute it.
Regards,
R.Brahmankar