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 +6.6
+1.1
George Patton H 85.28 Off Constantly 86.32 -1.0
Bill's Unreal T 73.14 Green Grandma 101.3 +0.9
+0.1
RobotOverlords 94.3 Ineedabeer! 105.84 -0.7
+0.1
Replacements 60.24 marcus's Team 85.78 +0.7
-0.1
Sarah's Team 110.2 Ashley's Team 79.62 -0.5
-0.1
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Michael's Okay 96.42 Sarah's Team 55.68 +9.8
+1.2
RobotOverlords 80.42 Replacements 119.24 -2.5
+0.1
Ineedabeer! 87.74 Green Grandma 92.98 +2.0
Some Team 128.82 marcus's Team 70.1 +0.6
Bill's Unreal T 35.96 Off Constantly 114.24 -0.3
+0.2
If winner is:HomeAway
Week of 12/10100.0*Chance in playoffs100.0*Average seed
Michael's Okay vs George Patton H+12.2Out
+1.1-1.1
Sarah's Team vs marcus's Team-3.7+3.7
RobotOverlords vs Some Team+3.3-3.3
+0.3-0.2
Ineedabeer! vs Replacements-3.2+3.2
-0.1+0.1
Bill's Unreal T vs Ashley's Team-0.2+0.2

What If

Chances based on how well the Michael's Okay finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-024.5%253829912,219,336
70-1Out21437351212,212,200
Total:12.3%1220212317624,431,536
Games Above .500
Chance Will Make Playoffs