Where will this link <webappname>.azurewebsites.net/?x-ms-routing-name=self will take you if you set routing rules to 10%?
<webappname>.azurewebsites.net/?x-ms-routing-name=self
10%
To self deployment slot
self
To staging deployment slot
Unable to determine, because default routing rules will switch you to random deployment slot
To production deployment slot
Same deployment slot
?x-ms-routing-name=self will send you to production deployment slot regardless of the routing rules.
?x-ms-routing-name=self