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
pin 126.5 tot 101 -0.7
-0.4
wel 61 she 80.5 +0.3
-0.1
mcn 118 war 81 -0.3
arn 58 thi 86.5 +0.1
+0.1
dav 105 tai 67.5 -0.1
-0.1
sco 129.5 con 127.5 -0.1
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
wel vs tot-0.3+0.4
mcn vs she+0.1-0.2
sco vs war-0.1+0.1
arn vs con-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
01-2Out148617,864,234
2-1Out10603016,188,436
0-3Out1006,577,821
3-0Out11034411414,895,973
Total:Out0148285945,526,464
Points
Chance Will Make Playoffs