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 -0.3
Columbia 66 Brown 63 +0.1
Dartmouth 72 Penn 64 -0.1
If winner is:HomeAway
Saturday, 3/5100.0*Average seed
Cornell vs Brown+0.3-0.3

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
31-0No50501,340,372,866
20-1No1001,340,404,222
Total:No25752,680,777,088
Games Above .500
Chance Will Win Championship