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
Replacements 60.24 marcus's Team 85.78 +8.2
+1.0
Bill's Unreal T 73.14 Green Grandma 101.3 +0.9
+0.1
George Patton H 85.28 Off Constantly 86.32 -0.9
RobotOverlords 94.3 Ineedabeer! 105.84 -0.5
+0.1
Sarah's Team 110.2 Ashley's Team 79.62 -0.5
-0.1
Michael's Okay 83.3 Some Team 80.82 +0.1
Week of 12/3100.0*Chance in playoffs100.0*Average seed
Some Team 128.82 marcus's Team 70.1 -12.4
-1.3
RobotOverlords 80.42 Replacements 119.24 -2.9
+0.1
Ineedabeer! 87.74 Green Grandma 92.98 +2.4
Michael's Okay 96.42 Sarah's Team 55.68 +0.8
-0.1
Bill's Unreal T 35.96 Off Constantly 114.24 -0.3
+0.1
If winner is:HomeAway
Week of 12/10100.0*Chance in playoffs100.0*Average seed
Sarah's Team vs marcus's Team-1.3+1.3
Bill's Unreal T vs Ashley's Team-0.3+0.3
Michael's Okay vs George Patton H-0.2+0.2
RobotOverlords vs Some Team-0.1+0.1

What If

Chances based on how well the marcus's Team finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
71-0Out12353415412,216,050
60-1Out17503312,215,486
Total:Out6171716271724,431,536
Games Above .500
Chance Will Make Playoffs