How are these numbers calculated?

Big Games

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

Week of 12/13100.0*Chance in playoffs100.0*Average seed
Grand Blanc 26 Walled Lake Western 4 +0.4
If winner is:HomeHome OTAway OTAway
South Lyon East vs Walled Lake Western+7.9+8.6-7.5-8.0
+1.5+1.5-1.3-1.5
South Lyon vs South Lyon East-7.9-7.7+7.6+7.9
-1.5-1.4+1.4+1.5
South Lyon vs Grand Blanc-0.5*-1.0*-0.1+0.5
-0.0*-0.1*-0.0+0.0
Walled Lake Central vs Pinckney+0.4*+1.0*-0.9-0.4
+0.0*+0.1*-0.1-0.0
Howell vs Pinckney+0.4*+0.5*-0.5-0.4
Wayne Memorial vs Brighton+0.3*+0.4*-0.8-0.3
+0.0*+0.0-0.1-0.0
Milford vs John Glenn-0.3*-0.0*-0.3+0.3
-0.0*+0.0-0.2+0.0
Waterford Kettering vs Northville+0.3*+0.3*-0.7-0.3
+0.0*+0.0*-0.1-0.0
Milford vs Hartland-0.3*+0.0*+1.3+0.3
+0.0*+0.0+0.1-0.0
Lakeland vs Hartland-0.3*-0.2*+1.3+0.3
+0.0+0.1+0.1-0.0
Waterford Kettering vs Walled Lake Northern-0.3*+0.4*-0.1+0.2
Canton vs Wayne Memorial-0.2*+0.5*-0.3+0.2
-0.0*+0.1*-0.1+0.0
Novi vs Milford+0.2*-0.4*+0.8-0.2
+0.0*-0.0+0.1-0.0
Hartland vs John Glenn-0.0-0.2+0.0+0.0
Walled Lake Northern vs Howell+0.0+0.1-0.0-0.0
Howell vs Plymouth-0.0-0.0-0.1+0.0

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

Chances based on how well the South Lyon East finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1413-0In991333
1312-1In955002,213
1211-2In791812013,717
1110-3In4040990050,204
109-4In629312110200125,193
98-5In0224619241661000226,025
87-6In0200310212722113100301,308
76-799.3%00001310212722113100300,963
65-850.0001616272716610225,465
54-92.000292334257125,537
43-100.000213414449,836
32-11Out01168313,683
21-12Out03972,329
10-13Out0100334
Total:78.8%3473445565456655554431,437,140
Games Above .500
Chance Will Make Playoffs