How are these numbers calculated?

Big Games

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

If winner is:HomeAway
Week of 10/2100.0*Chance in playoffs100.0*Average seed
St. Stanislaus vs Vancleave-12.3+16.5
-0.6+0.8
Bay vs Pass Christian+0.4-0.6
East Central vs Moss Point+0.1-0.1
If winner is:HomeAway
Week of 10/9100.0*Chance in playoffs100.0*Average seed
Vancleave vs Moss Point+13.2-17.7
+0.6-0.8
Pass Christian vs East Central+0.1-0.1

What If

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

100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456Count
55-0In100431,308,825
44-1In702912,095,695,070
33-299.8%938421104,033,865,387
22-353.2011423893,800,595,067
11-41.0129701,755,922,778
00-5Out100324,100,613
Total:69.0%18171717161512,441,487,740
Games Above .500
Chance Will Make Playoffs