How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
CD 82 BD 91 +12.5
+1.0
JR 86 JS 69 -2.0
-0.1
AM 98 BSMW 90 -0.9
-0.0
MWJW 106 MB 55 -0.8
-0.0
NF 49 RF 91 +0.8
Week of 11/24100.0*Chance in playoffs100.0*Average seed
BD 73 GDSH 119 -0.5
-0.5
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
NF vs BD-8.0+5.9
-0.7+0.5
GDSH vs MWJW-4.0+1.2
AM vs JS+0.5-1.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-079.4%16418142140,705,913
80-165.537293530,015,879
Total:73.5%92420202770,721,792
Games Above .500
Chance Will Make Playoffs