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
dav 105 tai 67.5 +14.9
+0.9
mcn 118 war 81 -2.7
-0.1
wel 61 she 80.5 +2.7
+0.1
pin 126.5 tot 101 -1.8
arn 58 thi 86.5 +1.4
+0.1
sco 129.5 con 127.5 +0.1
-0.1
If winner is:HomeAway
Week of 11/24100.0*Chance in playoffs100.0*Average seed
dav vs thi+18.7-18.7
+0.9-0.9
mcn vs she-4.4+4.4
-0.1+0.1
wel vs tot-3.9+3.9
-0.1+0.1
pin vs tai+2.8-2.8
+0.1-0.1
sco vs war-1.6+1.6
-0.1+0.1
arn vs con+0.6-0.6

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
02-155.9%114413310105,389,242
1-22.12203931805,386,291
3-098.931941288101,798,160
0-3Out0527491811,797,803
Total:34.1%02691720191592014,371,496
Points
Chance Will Make Playoffs