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 +0.2
+0.1
Chelsea 100 Keith 108 +0.1
Stephen 129 Dan 134 -0.0
If winner is:HomeTieAway
Week of 11/12100.0*Chance in playoffs100.0*Average seed
Jordan vs Tom O+0.0-0.0-0.1
+0.0-0.3-0.5
Chelsea vs Matt-0.0+0.1+0.1
Dan vs Keith-0.1+0.1+0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910Count
114-0-0In782213,042,229
10.53-0-1In54463,402,959
103-1-0In3168012,551,766
2-0-2In1684331,142
9.52-1-1In1184502,381,693
1-0-3In1841514,206
92-2-0In2484553,817,561
1-1-2In146495149,816
0-0-4In114741218
8.51-2-1In0205129466,318
0-1-399.8%5405503,020
81-3-0100.00336600409,667
0-2-299.612574014,326
7.50-3-197.801087224,390
70-4-087.1186121022,909
Total:100.0%45476200036,632,220
Games Above .500
Chance Will Make Playoffs