How to calculate difference after different filter settings?

[SFanalyst]

I have a table that shows Number of Services Rendered and Amount of Funding Allocation. I've also created a group of the Amount of Funding Allocation so I have organizations grouped between ($100-200, $201-500, etc.) I want to create a slicer of the group and then see the on Number of Services Rendered based on the selection I remove from the group in a slicer. In other word, if I unselected those agencies that are in the group of $100-200, how many services rendered would that impact? 

[v-chuncz-msft · Accepted solution]

@SFanalyst,

You may add a measure as follows.

Measure =
CALCULATE ( SUM ( Table1[Number of Services Rendered] ), ALL ( Table1[group] ) )
    - SUM ( Table1[Number of Services Rendered] )