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
tai 92 arn 71 +16.7
+1.0
war 93.5 wel 84.5 +2.0
con 109 mcn 62 +1.4
she 90.5 pin 83.5 +1.4
+0.1
tot 99 dav 116 -0.9
thi 115 sco 92.5 +0.7
If winner is:HomeAway
Week of 11/17100.0*Chance in playoffs100.0*Average seed
dav vs tai-14.2+14.2
-0.8+0.8
mcn vs war-2.6+2.6
wel vs she-2.5+2.5
-0.1+0.1
arn vs thi-1.4+1.4
pin vs tot-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 tai finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
02-296.2%0042743224003,578,939
3-1In2143939602,385,636
1-331.2016254024502,384,319
0-40.40052846191600,214
4-0In2343286598,388
Total:75.1%26132119141284109,547,496
Points
Chance Will Make Playoffs