How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Average seed
Wright 8 Witcraft 4 -0.7
Chick 9 Allen 7 +0.1
If winner is:HomeTieAway
Week of 12/2100.0*Average seed
Witcraft vs M. Jackson+0.8-0.3-0.3
Chick vs Scott+0.2-0.5-0.5
Wright vs Schoolman-0.2-0.3+0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789Count
31-0-0Out7524114,538,671
2.50-0-1Out72281,750,036
20-1-0Out712939,776,332
Total:Out20592256,065,039
Games Above .500
Chance Will Make Playoffs