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 +0.1
-0.1
Waterford Mott 26 Lakeland 4 +0.0
If winner is:HomeHome OTAway OTAway
Walled Lake Northern vs Howell+2.7+2.6-2.5-2.7
+1.3+1.3-1.2-1.3
Waterford Kettering vs Walled Lake Northern-2.7-2.5+2.5+2.7
-1.2-1.2+1.2+1.2
South Lyon vs Grand Blanc-0.2*-0.1*-0.2+0.2
Wayne Memorial vs Brighton+0.1*+0.2*+0.4-0.1
Milford vs Hartland-0.1*-0.1*+0.0+0.1
Howell vs Pinckney+0.1*+0.1*+0.1-0.1
-0.0*-0.0*+0.1+0.0
Walled Lake Central vs Pinckney+0.1*+0.4*-0.1-0.1
-0.1*+0.0+0.1+0.1
Milford vs John Glenn-0.1*-0.6*-0.1+0.1
+0.0*-0.1*-0.0-0.0
Lakeland vs Hartland-0.1*-0.2*-0.1+0.1
Walled Lake Central vs Plymouth-0.0-0.2+0.0+0.0
Grand Blanc vs Wayne Memorial-0.0-0.1+0.1+0.0
Canton vs Wayne Memorial+0.0+0.1-0.1-0.0
Waterford Mott vs Canton-0.0-0.1*+0.1+0.0
Waterford Kettering vs Northville-0.0*-0.1*+0.0+0.0
South Lyon vs South Lyon East+0.0*+0.1*+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 Walled Lake Northern finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1613-0In100361
1512-1In10002,108
1411-2In982013,762
1310-3In8990250,185
129-4In62272800125,239
118-5In20361325400226,148
107-6In111192328133000301,215
96-7In003172029241231000300,387
85-8In00014132327209200225,412
74-990.5%000151525271872000125,560
63-1017.30014132530207150,313
52-110.30021129391913,736
41-12Out1633612,368
30-13Out01287346
Total:95.1%1311710877644443332211101,437,140
Games Above .500
Chance Will Make Playoffs