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 -4.8
-0.4
If winner is:HomeHome OTAway OTAway
South Lyon East vs Walled Lake Western-3.4-3.2+6.8+7.0
-0.3-0.3+0.7+0.7
Howell vs Pinckney+0.3*+0.1*-0.2-0.6
+0.0+0.0-0.1-0.1
Lakeland vs Hartland-0.6*-0.1*+0.1+0.3
-0.1-0.0+0.0+0.0
South Lyon vs Grand Blanc-0.6*-0.3*-0.0+0.2
-0.1-0.1+0.0+0.0
Milford vs Hartland-0.6*-0.5*+0.4+0.3
-0.1*-0.0*+0.0+0.0
Milford vs John Glenn-0.5*-0.5*+0.2+0.3
-0.1-0.0*+0.0+0.0
Walled Lake Central vs Pinckney+0.2*+0.3*-0.4-0.4
+0.0+0.0-0.1-0.1
South Lyon vs South Lyon East-0.3*-0.4*-0.2+0.2
-0.1-0.0+0.0+0.0
Wayne Memorial vs Brighton+0.2*-0.0*-0.2-0.3
Waterford Kettering vs Walled Lake Northern-0.3*-0.3*+0.3+0.2
Canton vs Wayne Memorial-0.3*-0.2*+0.1+0.2
Waterford Mott vs Canton-0.2*+0.1*+0.5+0.2
Novi vs Milford+0.1*+0.2*-0.1-0.1
Plymouth vs John Glenn-0.1*-0.2*-0.0+0.1
Howell vs Plymouth+0.1*-0.1*+0.3-0.1
Salem vs Novi-0.1*-0.2*-0.1+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 Walled Lake Western finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1212-0In254317142561
1111-1In614372711497
1010-2In11272427216101,131
99-3In1016193126133008,778
88-4In000292330231020045,401
77-597.7%0031124302292000165,388
66-647.6001415282917510430,896
55-72.9003122934184817,961
44-80.000052345271,124,707
33-9Out00332651,088,162
22-10Out001189705,608
11-11Out298275,320
00-12Out010049,384
Total:9.5%0000000000011123581323424,713,394
Games Above .500
Chance Will Make Playoffs