How to Compare Current YTD to Prior YTD

NOTE: In the video, I have the Year over Year calculation backwards. The formula should be: SUM([CY Sales])-SUM([PY Sales]) For week 2 of #TableauTIpTuesday 2019, I answer a simple business question: How can I compare current year-to-date to prior year-to-date? In this video I show you how to use level of detail expressions to calculate these two fields plus the difference. Download the workbook here: https://www.vizwiz.com/2019/01/ytd-vs...