A + denoting a positive trend in visualisation

Try this method ....

Click on the Modelling view icon.

Click on your measure name.

In the Propertise window select Formating, Format = Custom

• Then set the custom fomat to +0.00%;-0.00%

Or you can create a measure

measurename = 
FORMAT(
[Impression],
"0.00%;-0.00%"
)

Thanks for the clear description of the problem with example data. I wish everyone did that!

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