How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/25100.0*Chance wins title100.0*Average seed
D. Hamilton UNC 7 Chick/Cornel 9 +0.7
Wallace 6 Allen 7 +0.1
If winner is:HomeAway
Week of 5/2100.0*Chance wins title100.0*Average seed
D. Hamilton UNC vs AllenNoYes
-0.8+0.2

What If

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

100100100100100100100100
If finish:ChanceChance will finish season at seed
TWW-Lwins title12345678Count
51-0Yes10040,558,893
40-1No1009,604,028
Total:80.9%811950,162,921
Games Above .500
Chance Will Win Championship