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 -0.2
+0.0
If winner is:HomeHome OTAway OTAway
Novi vs Milford+5.8+5.8-7.6-8.3
+0.9+0.9-1.3-1.3
Salem vs Novi-7.6-7.3+6.3+6.4
-1.3-1.2+1.0+1.1
Howell vs Pinckney+0.3*+0.3-1.1-0.8
Lakeland vs Hartland-0.9-0.9*+0.5+0.4
Milford vs Hartland-0.9*-0.8*+0.1+0.4
Milford vs John Glenn-0.8-0.9*+0.3+0.4
South Lyon vs Grand Blanc-0.9*-0.9*+0.0+0.3
Walled Lake Central vs Pinckney+0.3*+0.6*-0.6-0.7
Wayne Memorial vs Brighton+0.3*+0.3*-0.7-0.6
+0.0-0.0-0.1-0.0
South Lyon vs South Lyon East-0.5*-0.7*+0.2+0.3
Canton vs Wayne Memorial-0.4*-0.5*+0.3+0.3
Waterford Mott vs Canton-0.3*-0.2*+0.2+0.3
Waterford Kettering vs Walled Lake Northern-0.3*-0.6*+0.3+0.2
-0.1*-0.1*+0.0+0.0
Plymouth vs John Glenn-0.2*-0.5*+0.1+0.1
Howell vs Plymouth+0.1*-0.1*+0.0-0.2
South Lyon East vs Walled Lake Western+0.1*+0.0*-0.5-0.1
-0.0-0.0+0.1+0.1
Walled Lake Central vs Plymouth+0.1*+0.1*-0.2-0.1
Grand Blanc vs Wayne Memorial+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 Novi finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1413-0In9280834
1312-1In7027213,895
1211-2In3147148126,106
1110-3In529352010200108,357
109-4In04251128228100307,255
98-5In040519312611300622,174
87-6In00003132730196100926,349
76-7100.0%000161829271441001,029,520
65-890.30002102431228100854,483
54-930.30017223426910522,355
43-101.300192839203229,621
32-110.000425462568,650
21-12Out05336312,252
10-13Out010901,543
Total:84.0%0131345678888877653214,713,394
Games Above .500
Chance Will Make Playoffs