How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/10100.0*Chance in playoffs100.0*Average seed
tot 99 dav 116 +7.7
+0.8
war 93.5 wel 84.5 +1.0
+0.1
she 90.5 pin 83.5 +0.8
con 109 mcn 62 +0.4
tai 92 arn 71 -0.3
thi 115 sco 92.5 +0.2
+0.1
If winner is:HomeAway
Week of 11/17100.0*Chance in playoffs100.0*Average seed
dav vs tai+14.9-14.9
+0.9-0.9
mcn vs war-2.7+2.7
-0.1+0.1
wel vs she-2.7+2.7
-0.1+0.1
pin vs tot-1.8+1.8
arn vs thi-1.4+1.4
-0.1+0.1
sco vs con+0.1-0.1
-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
02-23.4%03204030703,579,316
1-30.000630461712,386,720
3-158.50218393010202,385,418
0-4Out02214829598,124
4-099.0032043277100597,918
Total:22.1%001361115191915729,547,496
Points
Chance Will Make Playoffs