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
JR 86 JS 69 +17.2
+0.8
AM 98 BSMW 90 -1.6
-0.1
MWJW 106 MB 55 -1.5
-0.1
CD 82 BD 91 +0.9
NF 49 RF 91 +0.5
Week of 11/24100.0*Chance in playoffs100.0*Average seed
BD 73 GDSH 119 +0.8
+0.2
RF 80 CD 108 +0.4
BL 71 JR 126 +0.4
+0.0
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 JR finish out the regular season.   Explain

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