Conversion File formula Value*-1 BPC 7.5 NW

Dear Freinds,

My requirement is to change the sign of data while loading the data into BPC using BPC tranformation and conversion file.

I tryied with Convertion formuls

EXTERNAL INTERNAL FORMULA

0080100006 IC_80100006 VALUE*-100

my transformation file

*OPTIONS

FORMAT = DELIMITED

HEADER = YES

DELIMITER = ,

AMOUNTDECIMALPOINT = .

SKIP = 0

SKIPIF =

VALIDATERECORDS=NO

CREDITPOSITIVE=NO

MAXREJECTCOUNT=-1

ROUNDAMOUNT=

SELECTION=0GL_ACCOUNT,0080100006;

other things are normally working , Kindly sugesst were I gone wrong .

Thanks !