How are these numbers calculated?

Big Games

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

Week of 11/14100.0*Chance in playoffs100.0*Average seed
Natty Bros 68.24 RayLewisMurderS 136.16 -11.2
-0.4
Team Greg 86.02 Belicheck Yours 93.34 -7.7
-0.2
BAUGHsoHARd 102.78 Dirty Mike & Th 81.06 -6.5
-0.2
GetToDaChoppa 80.7 Show Me Your TDs 111.02 +4.5
+0.2
Yeezus Khrist 106.62 Can't Stop Cund 114.1 -4.2
-0.1
Week of 11/21100.0*Chance in playoffs100.0*Average seed
Natty Bros 74.58 Belicheck Yours 84.76 -25.1
-0.8
BAUGHsoHARd 110.08 GetToDaChoppa 86.82 +4.3
+0.1
Can't Stop Cund 115.32 Show Me Your TDs 66.36 -3.4
-0.1
Yeezus Khrist 76.5 Dirty Mike & Th 99.16 +0.0
If winner is:HomeAway
Week of 11/28100.0*Chance in playoffs100.0*Average seed
Team Greg vs Natty BrosOut+15.7
-0.2+0.6
Yeezus Khrist vs GetToDaChoppa+2.7-1.4
+0.2-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
61-020.4%20403928,485,016
50-1Out69496,637,484
Total:4.6%51482125,122,500
Games Above .500
Chance Will Make Playoffs