Title Block Link to Mass Decimal Place Control

I have the part or assembly weight displayed in the title block by using a link to the part mass.

This works well but it displayes the weight in pounds at 4 decimal places and I would like it to only display with 2 decimal places but I have not been able to change this.

I have tried changing the system properties but this does not work for the link.

Anyone know how I can change this to only display 2 decimal places?

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