We have analyzed your query. From that we would like to let you know that as of now we don’t have support to “show the funnel chart with top to bottom series”. We consider this scenario as feature and we have logged a feature request on this . It can be tracked through our feedback portal below.
Based on other logged tasks priority, this fix will be included in any of our upcoming patch release.
If you have any more specification/suggestions to the feature request, you can add it as a comment in the portal.
Let us know, if you need further assistance.