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 -11.0
-1.3
If winner is:HomeHome OTAway OTAway
South Lyon East vs Walled Lake Western-10.7-10.6+10.8+10.7
-1.1-1.1+1.1+1.1
Lakeland vs Hartland-0.6*-0.4*+0.7+0.6
-0.0-0.1+0.0+0.0
Howell vs Pinckney+0.5*+0.4*-0.4-0.5
+0.0*+0.1*-0.0-0.0
South Lyon vs Grand Blanc-0.5*-0.0*+0.4+0.5
Milford vs Hartland-0.5*-0.8*+1.2+0.5
-0.0*-0.1+0.0+0.0
Canton vs Wayne Memorial-0.3*-0.1*-0.0+0.3
-0.0*-0.1*-0.0+0.0
Milford vs John Glenn-0.3*-0.5*+0.2+0.3
-0.0*-0.0*+0.1+0.0
Wayne Memorial vs Brighton+0.3*+1.3*+0.3-0.3
+0.0*+0.1*+0.0-0.0
Walled Lake Central vs Pinckney+0.3*+0.2*-0.3-0.3
Plymouth vs John Glenn-0.2*+0.2*+0.2+0.2
Salem vs Lakeland+0.2*-0.5*-0.4-0.2
+0.0*-0.0*-0.1-0.0
Waterford Mott vs Canton-0.2*-0.3*-0.7+0.2
-0.0*-0.0*-0.1+0.0
South Lyon vs South Lyon East-0.2*-0.1*-0.1+0.2
Waterford Kettering vs Walled Lake Northern-0.2*+0.0*-0.1+0.2
Howell vs Plymouth+0.0*-0.1*-0.1-0.0
Walled Lake Northern vs Howell-0.0*+0.0*+0.1+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 Western finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1212-0In682723502
1111-1In22421716204,248
1010-2In1142820231131023,244
99-3In061617272413510077,419
88-4100.0%0000281927241451000173,243
77-582.600029202724134100277,714
66-69.40028203126112324,447
55-70.10017254325277,636
44-8Out0043066174,033
33-9Out0109076,853
22-10Out029823,187
11-11Out01004,084
00-12Out100530
Total:37.5%0010112223333466791115201,437,140
Games Above .500
Chance Will Make Playoffs