How to show % change between columns in matrix when I don't have a date field

[bschre]

Data is very simple: a Day of Registration (1, 2, 3, etc), which does not fall on the same date every year; a Term (2022/02, 2021/02, 2020/02 for example), and a # of credit hours for that day and term.  We need to make a crosstab showing Day of Registration as a Row, Term as a Column, and credit hours as the value.  But, we also need to show the % of change between the max year and each individual year.  In this sample max year is 2022/02.  So columns would be 2022/02 credit hours, then 2021/02 credit hours, then % change between credit hours of those two terms, then 2021/02 credit hours, then % change between 2022/02 and 2020/02.  Currently this report is prepared manually,  and end user wants to put it in Power BI.  But I can't figure out how to lay this out.  Any help is appreciated.  (Max year is selected from a slicer by user.)

[bschre]

Reg Day	Term	CH	HC
1	2022/04	100	25
2	2022/04	150	32
3	2022/04	320	125
1	2021/04	120	41
2	2021/04	170	52
3	2021/04	510	122
1	2020/04	140	29
2	2020/04	220	62
3	2020/04	670	200

[lbendlin]

Please provide sanitized sample data that fully covers your issue.
https://community.powerbi.com/t5/Community-Blog/How-to-provide-sample-data-in-the-Power-BI-Forum/ba-...
Please show the expected outcome based on the sample data you provided.

https://community.powerbi.com/t5/Desktop/How-to-Get-Your-Question-Answered-Quickly/m-p/1447523