I just created an account on a site (I hadn't cast any votes yet), chose Electorate as the next badge on my profile and got the following:
It's still there. I tested on other sites (where I have not voted so far) and got the same discouraging percentage progress (-2147483648/25 percent on questions). From a mathematical point of view there's no clear answer which percentage should be shown (it would be 0/0); perhaps it's better to replace the text by You have not cast any votes
- the same message as in the votes tab: