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 +0.4
+0.0
Waterford Mott 26 Lakeland 4 -0.2
If winner is:HomeHome OTAway OTAway
Novi vs Milford-8.2-7.8+11.2+11.7
-0.8-0.8+1.1+1.1
Milford vs Hartland+13.0+12.2-6.3-6.4
+1.3+1.3-0.6-0.7
Milford vs John Glenn+12.6+12.2-6.4-6.2
+1.3+1.3-0.7-0.7
Lakeland vs Hartland-1.5-2.1+1.0+0.7
-0.1-0.1+0.0+0.0
South Lyon vs Grand Blanc-0.9-1.8*+0.2+0.3
-0.1-0.1*+0.0+0.0
Howell vs Pinckney+0.5*+0.3-1.4-1.2
+0.0*+0.0-0.1-0.1
Wayne Memorial vs Brighton+0.4*+0.5-1.3-0.9
+0.0*+0.0*-0.1-0.1
Canton vs Wayne Memorial-0.7*-0.7*+0.4+0.4
-0.1*-0.1*+0.0+0.0
South Lyon vs South Lyon East-0.7*-0.4*-0.1+0.4
Walled Lake Central vs Pinckney+0.3*+0.2*-0.9-0.6
Waterford Kettering vs Walled Lake Northern-0.5*-0.9*-0.2+0.3
-0.1*-0.1*-0.0+0.0
Salem vs Novi-0.4*-0.7*+0.2+0.3
Waterford Mott vs Canton-0.3*-0.7*+0.7+0.3
Howell vs Plymouth+0.2*+0.3*-0.5-0.3
Plymouth vs John Glenn-0.2*-0.1*+0.4+0.2
Waterford Kettering vs Northville+0.2*+0.5*-0.2-0.2
Walled Lake Central vs Plymouth+0.2*+0.3*+0.3-0.2
South Lyon East vs Walled Lake Western+0.1*-0.1*+0.3-0.2
Salem vs Lakeland+0.1*+0.6*-0.4-0.1

* 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 Milford finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1414-0In83170581
1313-1In504261467
1212-2In15482410204,461
1111-3In11839171861025,277
1010-4In01204182920710097,631
99-5In02016183027133000269,016
88-6In0000292331239200554,085
77-798.9%00031327301961000861,007
66-862.100017213225102001,012,543
55-97.5001621352781899,809
44-100.100211344013594,675
33-11Out01104347282,172
22-12Out01198091,508
11-13Out59517,983
00-14Out1992,179
Total:53.0%00101112344567891010111074,713,394
Games Above .500
Chance Will Make Playoffs