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
Waterford Mott 26 Lakeland 4 -0.1
If winner is:HomeHome OTAway OTAway
Waterford Kettering vs Northville+5.6+5.4-5.6-5.6
+1.3+1.2-1.3-1.3
Waterford Kettering vs Walled Lake Northern+5.7+5.3-3.4-3.3
+1.4+1.4-0.9-0.8
Milford vs John Glenn-0.6-1.2*+0.2+0.3
South Lyon vs Grand Blanc-0.7-1.1*+0.4+0.3
Wayne Memorial vs Brighton+0.3*-0.1-0.8-0.5
Lakeland vs Hartland-0.5-0.8*+0.2+0.3
+0.0-0.1*-0.0+0.0
Milford vs Hartland-0.7*-0.5*+0.2+0.3
Howell vs Pinckney+0.3*+0.2*-0.5-0.6
Walled Lake Central vs Pinckney+0.3*+0.2*-0.6-0.6
Canton vs Wayne Memorial-0.4*-0.4*+0.3+0.2
-0.0-0.1*+0.1+0.0
South Lyon vs South Lyon East-0.3*-0.2*+0.3+0.2
Novi vs Milford+0.1*+0.2*-0.4-0.2
Salem vs Novi-0.2*-0.3*-0.1+0.1
Salem vs Lakeland-0.1*+0.1*+0.5+0.1
South Lyon East vs Walled Lake Western+0.1*-0.0*-0.3-0.1
-0.0*-0.0*+0.1+0.1
Waterford Mott vs Canton+0.0*+0.0*-0.1-0.0
Howell vs Plymouth+0.0*+0.1*-0.1-0.0
Plymouth 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 Waterford Kettering finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1413-0In973983
1312-1In8016136,041
1211-2In40326211039,549
1110-3In620144216200154,535
109-4In0271837269100404,664
98-5In0016193227123000748,661
87-6In0000312263020710001,012,489
76-799.9%00161829271441001,010,687
65-890.50003112531218100742,345
54-929.700172133261010397,339
43-101.000172538245150,916
32-110.000218443638,439
21-12Out121775,794
10-13Out496952
Total:88.4%1113556788888765432114,713,394
Games Above .500
Chance Will Make Playoffs