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
-0.0
Waterford Mott 26 Lakeland 4 -0.1
If winner is:HomeHome OTAway OTAway
Walled Lake Central vs Pinckney+1.5+1.4-3.0-3.0
+0.7+0.7-1.4-1.4
Walled Lake Central vs Plymouth+1.9+1.9-2.0-1.9
+1.1+1.2-1.1-1.1
Milford vs Hartland-0.2-0.5*+0.2+0.1
Howell vs Pinckney+0.1*+0.2*-0.4-0.2
-0.0*-0.0+0.1+0.0
Milford vs John Glenn-0.2*-0.3*+0.3+0.1
South Lyon vs Grand Blanc-0.2*-0.4*+0.1+0.1
+0.1+0.1-0.0-0.0
Lakeland vs Hartland-0.2*-0.3*+0.0+0.1
Wayne Memorial vs Brighton+0.1*+0.1*-0.0-0.2
+0.0*+0.1+0.0-0.0
Canton vs Wayne Memorial-0.1*-0.2*+0.1+0.1
Waterford Kettering vs Northville+0.1*+0.0*-0.1-0.1
Waterford Kettering vs Walled Lake Northern-0.1*-0.1*-0.0+0.0
Salem vs Novi-0.1*-0.1*+0.2+0.1
Novi vs Milford+0.0*+0.2*-0.3-0.1
South Lyon vs South Lyon East-0.0*-0.3*-0.1+0.0
+0.1+0.0*-0.1-0.0
Salem vs Lakeland-0.0*-0.2*+0.0+0.0
Howell vs Plymouth+0.0*+0.1*-0.1-0.0
South Lyon East vs Walled Lake Western-0.0*-0.0*+0.1+0.1
Walled Lake Northern vs Howell-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 Walled Lake Central finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1514-0In10001,583
1413-1In9630012,094
1312-2In781516068,247
1211-3In372952720228,847
1110-4In617114519200519,258
109-5In02519392681000845,965
98-6In00018243324920001,017,038
87-7In00015172827155100917,208
76-8100.0%0028202825123100624,695
65-990.50003112430218200318,475
54-1026.600161932281120120,020
43-110.7016223827632,716
32-12Out021542416,031
21-13Out011683628
10-14Out298589
Total:96.6%44310111010987654332111004,713,394
Games Above .500
Chance Will Make Playoffs