Personally i think that instead of crying and moaning about it on this thread you should go and look for the official calculations and/or correct stats boosts and then go post them in the big bug thread.
That way you'd actually become some sort of use rather than a slowly becoming headache for people who are actually trying to sort this out?
To find out now how much exactly ssj boosted stats by X% is more likely impossible. Big Bug Thread or not it simply will get ignored for certain amount of time. Just boost stats for like 10-15% and that's it. And it's way better to focus on one thing than thousand different ones.
Besides Daneos said it himself that he will customize Transformations. That means he gonna change stats and stuff.
EDIT:
I found a quote from retail dbo players in dbocom.com
"Correct. Physical attack increases, Energy attack increases, dodge rate, and hit rate. (I think around the 25%, but don't take my word for it)
Most importantly, though, the run speed increases by about 50%, and attack speed roughly doubles. The speed is the reason why SSJ is useful, the attack and dodge bonus's are just a nice extra."