How are these numbers calculated?

Big Games

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

Week of 11/5100.0*Chance in playoffs100.0*Average seed
Nathan 72 Jordan 77 -8.7
-0.7
Matt 82 Tom O 75 +0.9
Chelsea 100 Keith 108 -0.7
Justin 75 Tom 116 +0.3
+0.1
Stephen 129 Dan 134 +0.1
If winner is:HomeTieAway
Week of 11/12100.0*Chance in playoffs100.0*Average seed
Tom vs Nathan-3.3-2.5+3.6
-0.6-0.4+0.6
Chelsea vs Matt-0.7+0.8+0.6
+0.1+0.0-0.1
Dan vs Keith+0.6-0.8-0.5
Jordan vs Tom O+0.3-0.2-0.3
+0.1-0.0-0.1
Justin vs Stephen+0.2*+0.0-0.2

* 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 Nathan finish out the regular season.   Explain

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
7.54-0-057.4%012454020590,456
73-0-110.9011523250247,660
6.53-1-02.402374315102,350,750
2-0-20.006294619139,031
62-1-10.0032245272742,899
1-0-3Out011258292,730
5.52-2-00.00112394173,533,061
1-1-2Out085041178,426
0-0-4Out14761072
51-2-1Out00541522743,672
0-1-3Out875172,751
4.51-3-0Out02296442,357,344
0-2-2Out5692639,304
40-3-1Out26236247,658
3.50-4-0Out5347591,726
Total:3.6%0131115192423411,567,540
Games Above .500
Chance Will Make Playoffs