How to display NEGATIVE sign on the left side of a number in SMARTFORMS


In smartforms I'm trying to print some negative values, but the negative sign is displayed on the right hand side of the number.

How can I display the '-' sign on the left hand side of a number. I tried the logic &value(<), it works well in sap scripts. Why is it not working in smartforms ?

Eg : I'm getting the output as 126.75 -

I want : - 126.75

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