How are these numbers calculated?

Big Games

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

Week of 9/15100.0*Chance in playoffs100.0*Average seed
McNichols 126.5 Salsberry 158.8 +7.3
+0.7
Metheny 79.4 Smith 94.8 +0.4
Purvis 146.9 Flores 126.2 +0.4
Lassiter 126.1 S Crouch 115.9 +0.2
If winner is:HomeTieAway
Week of 9/22100.0*Chance in playoffs100.0*Average seed
Smith vs Salsberry-12.5-3.4+11.3
-0.8-0.2+0.8
Lassiter vs McNichols-0.8+0.8+1.2
Flores vs Lippincott-0.5+0.6+0.3
S Crouch vs M Crouch-0.1+0.9+0.0
-0.0+0.1+0.0
Purvis vs Metheny+0.2+0.8-0.2

What If

Chances based on how well the Salsberry finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
1110-0-0In100017,101
10.59-0-1In100011,837
109-1-0In9730116,990
8-0-2In9735,850
9.58-1-1In9280115,105
7-0-3In811801,684
98-2-0In742510568,425
7-1-2In72261050,169
6-0-4In3553121324
8.57-2-1100.0%5441500493,268
6-1-3100.02851182012,848*
87-3-099.92550223001,611,367
6-2-299.918502840186,643*
5-1-491.62184230802,032
7.56-3-199.07384212101,219,344
5-2-387.81113838111040,494
4-1-521.631940308199
76-4-087.1113383612102,969,627
5-3-277.30529432030393,028
4-2-415.70114393510105,501*
6.55-4-151.70112383611101,917,914
4-3-39.40193340162070,699
3-2-5Out214413481519*
65-5-015.30214363512103,722,788
4-4-24.000424432540513,971
3-3-40.0011136381217,528*
5.54-5-10.80110353914101,992,878
3-4-30.0017324316173,648
2-3-5Out04235122455*
54-6-00.00021338361103,214,967
3-5-20.00042546232425,180
2-4-4Out022252235,936*
4.53-6-1Out0114433751,371,626
2-5-3Out0218542645,549
1-4-5Out13069248
43-7-0Out0042852161,884,286
2-6-2Out01145431219,380
1-5-4Out131682,490*
3.52-7-1Out0085140600,127
1-6-3Out01297015,449
0-5-5Out99153
32-8-0Out034156720,278
1-7-2Out01277363,647
0-6-4Out892431
2.51-8-1Out02377152,014
0-7-3Out8922,320
21-9-0Out01585160,874
0-8-2Out8928,025
1.50-9-1Out69416,980
10-10-0Out39722,524
Total:35.7%6910111212121211625,054,620

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs