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 +0.3
+0.0
If winner is:HomeHome OTAway OTAway
Wayne Memorial vs Brighton-8.8-8.1+8.2+8.8
-1.4-1.3+1.4+1.4
Milford vs John Glenn-0.3-1.6*-0.0+0.3
-0.0*-0.2*-0.1+0.0
Lakeland vs Hartland-0.4*-0.1*+0.1+0.4
-0.0*-0.1-0.1+0.0
Canton vs Wayne Memorial-0.3*-0.6*+0.5+0.3
-0.0*-0.0+0.2+0.0
Waterford Kettering vs Walled Lake Northern-0.3*+0.1*+0.0+0.3
-0.0*+0.0*+0.1+0.0
Milford vs Hartland-0.3*-1.2*+0.6+0.3
South Lyon vs Grand Blanc-0.3*-0.4*-0.0+0.3
Howell vs Pinckney+0.3*+0.1*-0.2-0.3
Plymouth vs John Glenn-0.3*-0.6*-0.7+0.3
-0.0*-0.0*-0.1+0.0
South Lyon East vs Walled Lake Western+0.2*-0.5*+0.4-0.2
-0.0*-0.0*+0.1+0.0
South Lyon vs South Lyon East-0.2*-0.2*-0.3+0.2
Novi vs Milford-0.0*+0.0+0.1+0.0
Howell vs Plymouth-0.0-0.1+0.1+0.0
Hartland vs John Glenn-0.0-0.0*+0.1+0.0
Waterford Mott vs Canton-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 Brighton finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1413-0In973315
1312-1In8811002,233
1211-2In60335213,452
1110-3In1843241220050,219
109-4In112411419113000125,630
98-5In01304142524134100225,622
87-6100.0%000029212824123100300,159
76-787.8001311232922102000301,395
65-812.100021023322481225,993
54-90.10018264124125,449
43-10Out004286850,455
32-11Out089213,667
21-12Out1992,228
10-13Out100323
Total:70.3%1362234445665676666661,437,140
Games Above .500
Chance Will Make Playoffs