Legal Question in Family Law in Florida

There is no set percentage. If this is during a marriage, what you share is between the two of you.

If you are at some time going through a Divorce Proceeding, then a judicial determination may be necessary as to the division based upon equitable principals. However, as a general guideline, probably it would start out at 50% each. But this is not necessarily the answer for your case.

Note: If you have a Anti-Nuptial Agreement, then that situation may control the result.