Use the measure selection tool

If a widget includes multiple measures, users may be able to select which measures to show or hide at any given time using the measure selection tool. (This tool may be disabled by the Dashboard Designer.)

To select measures (Power Viewers only)

On the widget title bar, click the button.
In the pop-up window, check the boxes of the measures to show and clear the boxes of the measures to hide. Only measures that have been added to the widget in during dashboard creation are available. To access a full list of measures, you can go to explore mode (Power Viewers only).
Click OK.

Criteria for selecting measures using the tool

You must have Power Viewer licensing or higher to select measures.
The widget must include multiple measures.
The widget type must support measure selection.
Measure selection must be enabled for the widget (on by default).