How are these numbers calculated?

Big Games

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

Friday, 3/4100.0*Average seed
Cornell 64 Yale 88 -0.0
Dartmouth 72 Penn 64 -0.0
Columbia 66 Brown 63 +0.0
If winner is:HomeAway
Saturday, 3/5100.0*Average seed
Cornell vs Brown+0.2-0.2

What If

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

100100100100100100100100
If finish:ChanceChance will finish season at seed
TWW-Lwins title12345678Count
31-0No37634,359,066,887
20-1No1003,842,777,977
Total:No20808,201,844,864
Games Above .500
Chance Will Win Championship