Excel Olap Pivot Table - Create calculated measure in MDX that shows difference to first filtered member taking into account current filters - Stack Overflow
OLAP PivotTable Extensions | An Excel add-in which extends the functionality of PivotTables on Analysis Services cubes, Excel Data Model (Power Pivot), and Power BI
Offline OLAP – Working with Disconnected Analysis Service Cube – Benny Austin
OLAP PivotTable Extensions | An Excel add-in which extends the functionality of PivotTables on Analysis Services cubes, Excel Data Model (Power Pivot), and Power BI