How are these numbers calculated?

Big Games

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

Friday, 3/4100.0*Chance wins title100.0*Average seed
Cornell 64 Yale 88 -14.9
-0.2
Harvard 69 Princeton 67 -12.5
-0.3
Columbia 66 Brown 63 -0.8
-0.1
If winner is:HomeAway
Saturday, 3/5100.0*Chance wins title100.0*Average seed
Dartmouth vs PrincetonNo+6.3
-0.3+0.3
Columbia vs Yale+6.3No
-0.1+0.1

What If

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

100100100100100100100100
If finish:ChanceChance will finish season at seed
TWW-Lwins title12345678Count
122-025.0%2575670,605,167
111-1No75251,339,579,387
100-2No2575670,592,534
Total:6.3%662312,680,777,088
Games Above .500
Chance Will Win Championship