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 +1.3
con 109 mcn 62 +1.1
thi 115 sco 92.5 +0.5
-0.1
tot 99 dav 116 -0.4
If winner is:HomeAway
Week of 11/17100.0*Chance in playoffs100.0*Average seed
pin vs tot+11.8-11.8
+0.8-0.8
mcn vs war-2.6+2.6
wel vs she-2.6+2.6
-0.1+0.1
arn vs thi-1.7+1.7
dav vs tai-0.5+0.5
sco vs con-0.3+0.3
+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
02-297.6%0063143172003,577,894
1-349.10114343414202,386,703
3-1In3214328502,386,429
0-43.203153434121599,620
4-0In4143141596,850
Total:80.3%38141921151063109,547,496
Points
Chance Will Make Playoffs