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 +0.6
+0.0
If winner is:HomeHome OTAway OTAway
Salem vs Lakeland+9.4+9.8-9.1-9.4
+1.4+1.4-1.4-1.4
Salem vs Novi+9.3+9.2-8.8-9.3
+1.4+1.5-1.3-1.4
South Lyon vs Grand Blanc-0.6*-0.9*+0.6+0.6
Lakeland vs Hartland-0.5*-0.2*+0.5+0.5
-0.0*+0.1+0.1+0.0
Milford vs Hartland-0.4*-0.5*+0.8+0.4
-0.0*-0.0*+0.1+0.0
Howell vs Pinckney+0.4*+0.8*-0.6-0.4
Wayne Memorial vs Brighton+0.4*-0.4*-0.3-0.4
+0.0*-0.1*+0.1-0.0
Walled Lake Central vs Pinckney+0.3*+1.0*-0.4-0.3
Waterford Kettering vs Walled Lake Northern-0.3*-0.3*+0.4+0.3
-0.0*-0.1*+0.0+0.0
Milford vs John Glenn-0.3*+0.1*+0.1+0.3
Canton vs Wayne Memorial-0.3*+0.2*+0.1+0.3
South Lyon vs South Lyon East-0.2*-0.7*+0.8+0.2
-0.0*+0.0+0.1+0.0
Grand Blanc vs Wayne Memorial+0.0+0.1*+0.0-0.0
Waterford Mott vs Canton+0.0+0.1*+0.0-0.0
Howell vs Plymouth+0.0*+0.0*-0.1-0.0
Hartland vs John Glenn+0.0*+0.1*+0.0-0.0

* 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 Salem finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1413-0In9720337
1312-1In8711012,315
1211-2In622936013,813
1110-3In2137142440049,812
109-4In11117252914410125,646
98-5In00117192825135100226,373
87-6100.0%000310212722124100300,714
76-788.5000141324271992000300,462
65-818.400141426301961225,626
54-90.3000314333615125,437
43-10Out0110385250,334
32-11Out01168313,706
21-12Out04962,220
10-13Out199345
Total:71.5%2323445545665666666641,437,140
Games Above .500
Chance Will Make Playoffs