Percentage summary in Timeseries charts

[SandraAlexandra]

Hi all,

I'm new to this forum and looking for some help please. I'm working with the free Power bi Desktop version for a while now and usually know my way around. However, I have only basic DAX knowledge and assume I might need some help with exactly that. 

I have two time series graphs and would like to make use of the drill down function. The first displays total hours and works perfectly.

The second relates to the percentage in the table. The problem is, that I only seem to have the choice between "Sum" or "Average".

I do not want the percentage to summarize but to show up exactly as in my table in the background according to the level that it shows. 

Increase rate = increase in hours/ attendance hours

Thank you for your help. 

Sandra

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