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. Francis 21 Wayside 17 -0.7
St. Hubert 21 St. James 24 +0.1
-0.1
St. Mary 11 St. Alphonsus 38 -0.1
+0.1
If winner is:HomeAway
Holy Family vs St. Theresa+0.2-0.2

What If

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

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs1234567891011Count
54-0-0Out17542821,128,794
43-1-0Out01053374,500,499
32-2-0Out118816,746,528
21-3-0Out75254,496,137
10-4-0Out25751,127,582
Total:Out1622601117,999,540
Games Above .500
Chance Will Make Playoffs