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 +2.1
+0.2
Kato 4 Zwiefel 12 +0.2
+0.3
Scheck 7 Witcraft 2 +0.2
+0.0
If winner is:HomeAway
Week of 11/20100.0*Chance in playoffs100.0*Average seed
Witcraft vs KatoOut+27.9
-0.1+0.4
Zwiefel vs Schoolman+10.2Out
+1.0-1.0
Chick vs ScheckOut+3.2
-0.4+0.1

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
51-020.4%20621723,491,141
40-1Out193723,485,367
Total:10.2%1031946346,976,508
Games Above .500
Chance Will Make Playoffs