No its not because the kinds of employment cases that can net $575k in court are typically taken on contingency by the plaintiff's lawyers.
"Contingency" doesn't mean it's free. If the case is won (which is the situation we're talking about), the lawyer gets paid out of the net recovery.
Yes, typically 33-45%. As I said in the original comment:
> There is definitely a difference, but that has to be adjusted for the difference in expenses as well