Trying to show enemy weight overhead using a widget

The weight is a variable in the character BP.
I have added a widget in the viewport of the character BP.

In the character BP…

Event Tick > Cast to WB_Widgetname and I can drag from there what I want to change

Im stuck on how to get the weight value from the variable back to the widget.

I know if it was a health bar, i could just use “Set Percent”… but I need to figure out how to set a float