That $500M figure may be correct just to get out of the ACC, but it doesn’t include the loss of all media rights until 2036. I’m not sure how the ACC could possibly let any school out of that.
The exit fee is 3x annual revenue. So say $120 million.
The GOR buyout is either:
a) pay the ACC to release your media rights. Say that is $500 million. (Or whatever.)
b) leave your media rights with the ACC and don't buy them out. (This will never happen, why would the SEC welcome you but not receive any media revenue from your home games for 12 years?)
So, if it were a $500 million GOR buyout, plus $120 million exit fee, it would be $620 million.
I don't know what the present value is of the media rights through 2036 is. It depends on the knowable information and what discount rate you use. (Seems like the fact of the contract is certain, unless there is a legal path to puncture it, which would factor into either the estimated cash flows or the discount rate. Probably the first.)
The exit fee will probably remain a present value of about $120 million (if I understand it right.)
That's the math from the ACC side. Clemson's side would set against that number, the present value of the differential in estimated revenue from say the SEC. Plus the economic and psychological cost of going 6-6 every year, and the lost estimated revenue of a more likely path to the playoffs. Offset by the possibility of the ACC blowing up and losing that path early.
Seems like the key variable is - 1) can the GOR be escaped legally, and 2) what would happen to the ACC given (1)
I presume Clemson likes being in the ACC, all else equal. FSU, probably not. That's somewhat mutual in my book.