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
-0.0
If winner is:HomeHome OTAway OTAway
Walled Lake Central vs Plymouth-6.0-6.2+5.9+6.0
-1.4-1.4+1.5+1.4
Howell vs Plymouth-5.6-6.0+5.7+5.6
-1.3-1.3+1.4+1.3
Plymouth vs John Glenn+5.7+5.6-5.2-5.7
+1.4+1.4-1.5-1.4
Waterford Kettering vs Northville-0.2-1.5*+0.6+0.2
-0.0-0.2*+0.1+0.0
Wayne Memorial vs Brighton+0.3*+0.2-1.3-0.3
-0.0+0.0*-0.1+0.0
Milford vs John Glenn-0.2*-0.3+1.3+0.2
+0.0*-0.0+0.2-0.0
Howell vs Pinckney+0.3*+0.9*+0.3-0.3
South Lyon vs Grand Blanc-0.3*+0.4*+0.2+0.3
Waterford Kettering vs Walled Lake Northern-0.3*+0.5*+0.1+0.3
-0.0*+0.0*-0.1+0.0
Milford vs Hartland-0.3*-0.7*+0.2+0.3
+0.0-0.1*-0.1-0.0
Novi vs Milford+0.2*+0.8*-0.9-0.2
-0.0*+0.1-0.1-0.0
Lakeland vs Hartland-0.2*-0.3*+0.8+0.2
Walled Lake Central vs Pinckney+0.2*+0.5*-0.3-0.2
Waterford Mott vs Canton-0.2*-0.0*+0.1+0.2
-0.0*+0.0-0.1+0.0
South Lyon East vs Walled Lake Western+0.1*+0.0*+0.3-0.1
-0.0*-0.1+0.0+0.0
South Lyon vs South Lyon East-0.1*-0.1*+0.3+0.1
Canton vs Wayne Memorial-0.1*-0.2*+0.0+0.1
+0.0*+0.0*-0.1-0.0
Hartland vs John Glenn+0.0+0.1+0.1-0.0
Grand Blanc vs Wayne Memorial+0.0*-0.1+0.1-0.0
Salem vs Lakeland-0.0*-0.1*+0.1+0.0
Walled Lake Northern vs Howell+0.0*-0.1*-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 Plymouth finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1514-0In100263
1413-1In10001,213
1312-2In964008,055
1211-3In811503032,169
1110-4In44336161087,769
109-5In724173515200176,277
98-6In0181128301651000263,458
87-7In00031224282192000299,772
76-899.7%00141223282192000263,517
65-955.00002718282614410176,328
54-102.6000210263421587,393
43-110.000318423731,399
32-12Out0224748,071
21-13Out07931,202
10-14Out298254
Total:85.6%6647765665455544433221,437,140
Games Above .500
Chance Will Make Playoffs