How are these numbers calculated?

Big Games

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

Week of 12/15100.0*Chance in playoffs100.0*Average seed
St. Mary 11 St. Alphonsus 38 -8.7
-0.7
St. Hubert 21 St. James 24 +0.7
St. Colette 18 St. Raymond 19 -0.6
-0.1
St. Francis 21 Wayside 17 -0.1
If winner is:HomeAway
Holy Family vs St. Theresa-0.1+0.1

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234567891011Count
63-0-0Out4344932,253,993
52-1-0Out52753156,745,104
41-2-0Out1375846,747,057
30-3-0Out12850212,253,386
Total:Out581234318317,999,540
Games Above .500
Chance Will Make Playoffs