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
con 109 mcn 62 -15.1
-0.9
war 93.5 wel 84.5 +2.6
+0.1
she 90.5 pin 83.5 +1.7
+0.1
tai 92 arn 71 -0.8
thi 115 sco 92.5 +0.7
tot 99 dav 116 -0.6
If winner is:HomeAway
Week of 11/17100.0*Chance in playoffs100.0*Average seed
mcn vs war+17.2-16.3
+0.8-0.7
wel vs she-4.1+5.1
-0.1+0.1
pin vs tot-2.4+2.7
-0.1+0.1
arn vs thi-2.2+1.8
-0.1+0.1
dav vs tai+0.5-0.5
sco vs con-0.3+0.3

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-Lplayoffs123456789101112Count
02-248.5%01123637132010,730,382
3-196.10042643234007,612,544
1-34.104233827706,701,234
4-0In21436381002,027,704
0-40.001724422331,570,624
Total:51.7%0141016212014841028,642,488
Points
Chance Will Make Playoffs