No.
[the percentages are what is used for availability calculations involving the group, so if you have one out of ten nodes up in a mixed-status group then the availability of the group for calculations is 100% and the status is Warning. ]
Availability calculations at anything other than the Node level are fraught with difficulty (e.g. how do you cope with availability of the subnet when it's supported by two routers with HSRP/VRRP configured)