% Sum with variable

[#1]

When selecting field GRUPO_1, GRUPO_2, GRUPO_3 or GRUPO_4 input mm% and update the value of the expression SUM(Valor.VALOR*(a$+(% mm)/100)) only for GRUPO_1 or respective GRUPO select...
I want the table structure remain visible when all GROUPS.
Following example of the structure
Thanks

Patricia

[#2]

no entendí

[sivarajs]

Check the attached file

[#4]

I do not want to return the table to select only the values ​​of that selection.

I want to calculate % different with each group selected.

Thanks

[sivarajs]

Please can you explain clearly what your expected output

[#6]

Solution in

http://community.qlik.com/thread/1133?start=15&tstart=0

Thanks