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 -22.7
-1.3
RobotOverlords 94.3 Ineedabeer! 105.84 -15.7
-0.1
Sarah's Team 110.2 Ashley's Team 79.62 -5.6
-0.3
Replacements 60.24 marcus's Team 85.78 +2.0
Bill's Unreal T 73.14 Green Grandma 101.3 +0.6
+0.2
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Ineedabeer! 87.74 Green Grandma 92.98 +4.8
+0.1
Some Team 128.82 marcus's Team 70.1 +1.9
+0.8
RobotOverlords 80.42 Replacements 119.24 -1.2
+0.0
Michael's Okay 96.42 Sarah's Team 55.68 +0.7
-0.1
Bill's Unreal T 35.96 Off Constantly 114.24 +0.0
If winner is:HomeAway
Week of 12/10100.0*Chance in playoffs100.0*Average seed
RobotOverlords vs Some TeamOut+7.2
-1.3+0.4
Ineedabeer! vs Replacements-7.8+0.9
-0.1+0.0
Sarah's Team vs marcus's Team-3.3+3.4
-0.2+0.2
Michael's Okay vs George Patton H-0.2+4.3
-0.0+0.4
Bill's Unreal T vs Ashley's Team-0.1+0.0

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
81-028.9%2929291365,681,767
70-1Out1185922021,763,233
Total:21.7%222226255087,445,000
Games Above .500
Chance Will Make Playoffs