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
she 90.5 pin 83.5 -9.1
-0.8
war 93.5 wel 84.5 +1.2
con 109 mcn 62 +1.1
thi 115 sco 92.5 +0.4
-0.1
tot 99 dav 116 -0.3
tai 92 arn 71 -0.3
If winner is:HomeAway
Week of 11/17100.0*Chance in playoffs100.0*Average seed
pin vs tot+10.3-11.6
+0.6-0.7
mcn vs war-2.8+2.7
-0.1+0.1
wel vs she-2.3+2.9
-0.1+0.1
arn vs thi-1.6+1.2
sco vs con-0.3+0.3
+0.1-0.1
dav vs tai-0.2+0.2
+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
02-297.7%00531451720011,652,217
3-1In2134038707,776,611
1-356.80118383110107,741,470
4-0In28452431,950,848
0-46.516243726701,933,294
Total:82.5%261322231610520031,054,440
Points
Chance Will Make Playoffs