Calculating Kendall’s coefficient (mann kandell)
The Mann Kendall Trend Test (sometimes called the M-K test) is used to analyze data collected over time for consistently increasing or decreasing trends (“monotonic trends”) in Y values. ... If your data does follow a normal distribution, you can run simple linear regression instea. POwer BI has most other statisitical functions this needs to be added its a game changer for Power BI, in beating Tableau.
Parminder Keilah commented
further reading here: https://www.statisticshowto.datasciencecentral.com/mann-kendall-trend-test/