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
Matt 82 Tom O 75 +5.3
+0.7
Stephen 129 Dan 134 +0.6
+0.1
Chelsea 100 Keith 108 -0.2
-0.0
Justin 75 Tom 116 +0.2
+0.1
Nathan 72 Jordan 77 +0.1
+0.1
If winner is:HomeTieAway
Week of 11/12100.0*Chance in playoffs100.0*Average seed
Chelsea vs Matt-11.5-3.0+11.8
-0.7-0.1+0.8
Dan vs Keith+1.7+0.8-1.8
Justin vs Stephen+1.3+0.7-1.4
Jordan vs Tom O+1.1+0.5-1.2
+0.1+0.0-0.1
Tom vs Nathan+0.5+0.5-0.6
+0.1+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
84-0-096.5%07533730592,001
7.53-0-174.3122512510247,474
73-1-031.303295215102,355,865
2-0-217.511752273039,086
6.52-1-15.10542411110742,562
1-0-30.20838441002,747
62-2-00.500164333703,533,936
1-1-20.005314617177,813
0-0-4Out215819262
5.51-2-10.0021945303742,798
0-1-3Out0116532912,683
51-3-0Out0527501802,352,332
0-2-2Out1125136139,015
4.50-3-1Out0540532248,330
40-4-0Out018775590,836
Total:13.4%0049192120169011,567,540
Games Above .500
Chance Will Make Playoffs