Calculate average across all the branches for that day

I am currently struggling on how to calculate average across all the branches.

Like below you can see, call queue name is the unique name that has a call count for each day, multiple times a day.

I want to calculate the average call count across all the call queue names for each day to compare individual call name across the average of all the call queue names.

I am struggling for quite sometime and I was able to use averagex,

Per_day_count = AVERAGEX(VALUES(fAgentTimelineAnalytics[Call Queue Name]), 
CALCULATE(COUNT(fAgentTimelineAnalytics[Call Count])))  

Can someone please point me in the right direction.

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