How are these numbers calculated?

Big Games

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

Week of 11/29100.0*Chance in playoffs100.0*Average seed
MEGA 130 TOTS 98.2 +6.1
+0.8
BRAD 129.1 GEL 131 +1.0
+0.1
RIP 104.8 BDZL 99.9 +0.8
+0.1
RUN! 81.1 ABTT 91.9 -0.6
-0.2
FACE 120.9 DOC 95.2 -0.1
Week of 12/6100.0*Chance in playoffs100.0*Average seed
M117 109.6 MEGA 109 -13.2
-0.9
FUat 93.7 TOTS 116.2 -5.7
-0.2
GEL 72.9 DOC 107.7 -2.0
-0.2
BDZL 84.5 ABTT 76.3 +1.0
BRAD 150.5 FACE 117 +0.4
If winner is:HomeAway
Week of 12/13100.0*Chance in playoffs100.0*Average seed
MEGA vs FUat+1.5-0.9
ABTT vs RIP-0.3+0.3
RUN! vs BDZL+0.1-0.3
FACE vs GEL-0.2+0.2
DOC vs BRAD-0.2+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
61-0Out2344276017,673,075
50-1Out465428,607,109
Total:Out91710313346,280,184
Games Above .500
Chance Will Make Playoffs