questionsis the "% left" number fudged to hide quantities…

vote-for12vote-against
vote-for4vote-against

Nope, nothing sneaky. You're probably seeing the effects of multiple wooters buying at once and the percentage bar updating to reflect that.

vote-for2vote-against

With hundreds of wooters hitting F5 on an almost constant basis, they probably use some caching so it's not a realtime snapshot, but accurate to within maybe 5 minutes.

vote-for1vote-against

It's all smoke and mirrors.