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
sco 129.5 con 127.5 +4.1
+0.7
wel 61 she 80.5 +1.0
mcn 118 war 81 -1.0
-0.1
pin 126.5 tot 101 -0.6
+0.1
arn 58 thi 86.5 +0.5
+0.1
dav 105 tai 67.5 -0.1
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
sco vs war+7.9-7.9
+0.8-0.8
mcn vs she-1.9+1.9
wel vs tot-1.5+1.5
dav vs thi-1.4+1.4
-0.1+0.1
pin vs tai+1.1-1.1
+0.1-0.1
arn vs con+0.2-0.2
-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
02-12.4%2204030705,389,506
1-2Out0427491825,385,902
0-3Out739541,798,575
3-060.811643308101,797,513
Total:8.5%0261118212212714,371,496
Points
Chance Will Make Playoffs