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
Schoolman 4 Hartman 9 +0.5
Kato 4 Zwiefel 12 Out
-0.1
If winner is:HomeAway
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Zwiefel vs Schoolman+0.8-0.8
Chick vs Scheck-0.4+0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
40-0Out038154746,976,508
Total:Out038154746,976,508
Games Above .500
Chance Will Make Playoffs