How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

If winner is:HomeAway
Friday100.0*Average seed
Yale vs Penn+0.2-0.2

What If

Chances based on how well the Columbia finish out the regular season.   Explain

100100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seed
TWW-LChance wins regular season title123456789101112131415Count
50-0No271273,522,060
Total:No271273,522,060
Games Above .500
Chance Will Win Regular Season Title