How are these numbers calculated?

Big Games

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

Week of 11/26100.0*Chance in playoffs100.0*Average seed
Michael's Okay 83.3 Some Team 80.82 -14.9
-1.2
George Patton H 85.28 Off Constantly 86.32 -2.5
-0.1
Sarah's Team 110.2 Ashley's Team 79.62 -2.4
-0.1
Bill's Unreal T 73.14 Green Grandma 101.3 +2.2
+0.2
RobotOverlords 94.3 Ineedabeer! 105.84 -2.2
Replacements 60.24 marcus's Team 85.78 +1.9
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Some Team 128.82 marcus's Team 70.1 +7.7
+1.2
RobotOverlords 80.42 Replacements 119.24 -2.2
Michael's Okay 96.42 Sarah's Team 55.68 +1.8
-0.1
Ineedabeer! 87.74 Green Grandma 92.98 +1.8
Bill's Unreal T 35.96 Off Constantly 114.24 -0.5
+0.2
If winner is:HomeAway
Week of 12/10100.0*Chance in playoffs100.0*Average seed
RobotOverlords vs Some TeamOut+18.2
-1.1+1.1
Sarah's Team vs marcus's Team-4.1+4.1
-0.1+0.1
Ineedabeer! vs Replacements-3.7+3.7
-0.1+0.1
Michael's Okay vs George Patton H-2.0+2.0
-0.2+0.3
Bill's Unreal T vs Ashley's Team-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-036.3%363622612,219,801
70-1Out4203929812,211,735
Total:18.2%1820212214424,431,536
Games Above .500
Chance Will Make Playoffs