Fields
A funnel needs exactly two fields, picked on the Fields tab:- Stage — a dimension (a time dimension works too, bucketed by its grain). Each distinct value becomes one stage.
- Value — a measure. It is rolled up per stage, so a result with extra columns still draws one bar per stage.
Conversion percentages
The connectors between stages carry the funnel’s percentages. Two independent toggles in the Data labels section of the Style tab control them:- First — each stage as a share of the first stage, drawn as
36% of first. On by default. - Prev — each stage as a share of the stage before it, drawn as
20% of previous.