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 +3.3
+0.7
wel 61 she 80.5 +0.9
mcn 118 war 81 -0.8
-0.1
pin 126.5 tot 101 -0.5
+0.1
arn 58 thi 86.5 +0.3
+0.1
dav 105 tai 67.5 +0.1
-0.1
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
sco vs war+6.9-6.3
+0.8-0.7
mcn vs she-1.5+1.8
wel vs tot-1.4+1.5
dav vs thi-1.3+1.2
-0.1+0.1
pin vs tai+1.0-1.1
+0.1-0.1
arn vs con+0.1-0.1
-0.2+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
02-11.8%21739348017,177,904
1-2Out05314914116,980,235
3-048.0111373514305,780,811
0-3Out1244445,587,514
Total:6.8%0151118252311645,526,464
Points
Chance Will Make Playoffs