How are these numbers calculated?

Big Games

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

Week of 10/12100.0*Chance in playoffs100.0*Average seed
Erin 81.12 Brandon 89.38 -13.4
-0.7
Joe 115.1 AJ/Sean 109.38 -0.9
-0.0
Andrew 121.8 Michael 87.58 -0.8
-0.0
Ermali 74.26 Kevin 63.64 -0.8
-0.0
Oscar 89.88 Jonathan 66.58 -0.3
If winner is:HomeTieAway
Week of 10/19100.0*Chance in playoffs100.0*Average seed
Erin vs Michael+8.2-10.3-11.7
+0.5-0.5-0.8
Andrew vs AJ/Sean-0.6+2.7+2.9
-0.0+0.1+0.1
Joe vs Jonathan*-0.0+2.8-0.1
-0.0+0.1-0.0
Ermali vs Brandon-0.1+2.7*-0.0
-0.0+0.1-0.0
Oscar vs Kevin-0.8+1.6+1.1
-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 Erin finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
118-0-0In937099,471
10.57-0-1In63334031,423
107-1-0100.0%5240800794,093
6-0-299.42044286104,610
9.56-1-198.71239351210231,505
5-0-381.51133434153379
96-2-097.183239183002,907,066
5-1-274.2062840214028,888
4-0-431.6526422619
8.55-2-163.304213929800714,195
4-1-316.311541349001,993
3-0-5Out1001
85-3-051.40214363513105,878,046
4-2-210.301103540131073,026
3-1-4Out742401192
7.54-3-16.1006294419201,184,066
3-2-30.00533481413,835
2-1-5Out1001
74-4-03.4003224527307,158,919
3-3-20.103265119294,332
2-2-4Out640459112
6.53-4-10.001205125301,129,365
2-3-3Out033151163,802
1-2-5Out33673
63-5-00.001144932405,335,291
2-4-2Out02265220065,784
1-3-4Out7573658
5.52-5-1Out012152260615,983
1-4-3Out04385711,770
52-6-0Out0015513402,360,327
1-5-2Out033263223,281
0-4-4Out10018
4.51-6-1Out0227692175,792
0-5-3Out098010291
41-7-0Out120754556,704
0-6-2Out0680143,102
3.50-7-1Out03781919,949
30-8-0Out1712859,428
Total:26.4%35811151920136029,557,020
Games Above .500
Chance Will Make Playoffs