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 -0.0
If winner is:HomeHome OTAway OTAway
Milford vs John Glenn-1.8-1.6+1.0+0.9
-1.3-1.3+0.6+0.7
Plymouth vs John Glenn-1.0-1.2+0.9+0.9
-1.1-1.1+0.9+0.9
Hartland vs John Glenn-0.9-0.7+0.8+0.9
-1.0-0.9+1.0+1.0
Lakeland vs Hartland-0.1*+0.1*-0.0+0.1
+0.0+0.0-0.1-0.0
Wayne Memorial vs Brighton+0.1*+0.1*-0.1-0.1
-0.1-0.0+0.1+0.1
South Lyon vs Grand Blanc-0.1*-0.3*+0.0+0.0
+0.1+0.1-0.1-0.0
Howell vs Pinckney+0.0*+0.1*-0.0-0.1
-0.0-0.0+0.1+0.1
Milford vs Hartland-0.1*+0.0*+0.0+0.1
Walled Lake Central vs Pinckney+0.0*+0.0*+0.0-0.1
-0.0-0.0+0.1+0.1
Waterford Kettering vs Walled Lake Northern-0.1*-0.2*-0.1+0.0
Waterford Mott vs Canton-0.1*-0.1*-0.0+0.0
South Lyon vs South Lyon East-0.1*-0.0*+0.1+0.0
+0.1+0.1-0.0-0.0
Salem vs Lakeland+0.0*+0.1*-0.0-0.0
Canton vs Wayne Memorial-0.0*-0.1*+0.2+0.0
+0.1+0.1-0.1-0.0
Novi vs Milford+0.0*+0.1*-0.2-0.0
Salem vs Novi-0.0*+0.1*-0.1+0.0
Howell vs Plymouth+0.0*+0.1*-0.0-0.0
+0.0+0.0-0.1-0.0
Grand Blanc vs Wayne Memorial+0.1+0.0-0.1-0.1
South Lyon East vs Walled Lake Western-0.0-0.0*+0.0+0.1
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 John Glenn finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1614-0In10002,131
1513-1In9730017,580
1412-2In84141187,983
1311-3In52355800272,444
1210-4In16382022400576,389
119-5In1142824248100881,185
108-6In0110522322171001,004,206
97-7In00017213226112000869,408
86-8100.0%00031125312171000572,730
75-999.10014152829165100286,742
64-1065.900292332239200107,004
53-1110.000182535236128,984
42-120.20316393395,355
31-13Out1174537664
20-14Out01486589
Total:98.5%71010910109865433221100004,713,394
Games Above .500
Chance Will Make Playoffs