How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Chance in playoffs100.0*Average seed
K. Jackson 7 Chick 4 -0.2
Kato 4 Zwiefel 12 Out
-0.4
Scheck 7 Witcraft 2 +0.0
If winner is:HomeAway
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Witcraft vs Kato-0.3+0.7
M. Jackson vs K. Jackson+0.2-0.2

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
31-0Out505012,571,465
20-1Out505034,405,043
Total:Out13503746,976,508
Games Above .500
Chance Will Make Playoffs