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 -16.8
-1.0
JR 86 JS 69 -2.3
-0.1
AM 98 BSMW 90 -1.2
-0.0
MWJW 106 MB 55 -1.1
-0.0
Week of 11/24100.0*Chance in playoffs100.0*Average seed
RF 80 CD 108 +1.4
+0.1
BD 73 GDSH 119 +0.7
+0.2
BL 71 JR 126 -0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
NF vs BD+5.9-4.3
+0.4-0.3
JR vs CD-4.9+4.9
-0.6+0.6
GDSH vs MWJW-3.2+1.0
AM vs JS+0.4-1.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-084.1%17505121635,362,436
80-174.345292635,359,356
Total:79.2%82525202170,721,792
Games Above .500
Chance Will Make Playoffs