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 -2.2
-0.6
wel 61 she 80.5 +0.5
+0.1
mcn 118 war 81 -0.5
+0.1
arn 58 thi 86.5 +0.3
-0.1
pin 126.5 tot 101 -0.2
-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
arn vs con-3.3+2.6
-0.7+0.5
dav vs thi-1.1+1.0
pin vs tai+0.8-0.8
mcn vs she-0.6+0.8
-0.1+0.1
wel vs tot-0.6+0.7
sco vs war-0.3+0.2
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
02-1In2355011118,046,225
1-299.8%220502440015,988,504
3-0In2957146,779,502
0-374.353039215004,712,233
Total:97.3%5232923125200045,526,464
Points
Chance Will Make Playoffs