How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

If winner is:HomeHome OTAway OTAway
Week of 12/13100.0*Chance in playoffs100.0*Average seed
Milford vs Hartland-4.6-4.7+4.4+4.6
-1.4-1.3+1.4+1.4
Lakeland vs Hartland-4.4-4.2+4.6+4.4
-1.3-1.2+1.3+1.3
Hartland vs John Glenn+4.4+3.9-4.2-4.3
+1.4+1.4-1.3-1.4
South Lyon vs Grand Blanc-0.2*-0.0*+0.3+0.2
Canton vs Wayne Memorial-0.2*+0.1*+0.3+0.2
Howell vs Pinckney+0.2*+0.5*-0.3-0.2
-0.0*-0.0*+0.1+0.0
Waterford Kettering vs Walled Lake Northern-0.1*+0.2*-0.1+0.1
Walled Lake Central vs Pinckney+0.1*+0.2*-0.1-0.1
Milford vs John Glenn-0.0-0.1+0.2+0.0
South Lyon East vs Walled Lake Western-0.1*-0.1*+0.0+0.1
Walled Lake Northern vs Howell+0.0+0.1-0.1-0.0
South Lyon vs South Lyon East+0.0*+0.0*+0.1-0.0
Waterford Mott vs Canton+0.0*-0.1*-0.0-0.0
Novi vs Milford+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 Hartland finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112131415161718192021Count
1614-0In100262
1513-1In10001,154
1412-2In972007,920
1311-3In89100131,956
1210-4In6131450088,185
119-5In19402017300176,166
108-6In111331823123000263,075
97-7In00815162725134100300,162
86-8100.0%000029212823113000263,593
75-988.000031123292210200175,681
64-1011.600292332248187,598
53-110.1001726412431,934
42-12Out0430668,058
31-13Out08921,150
20-14Out298246
Total:90.3%99116666645553343322211,437,140
Games Above .500
Chance Will Make Playoffs