How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/29100.0*Chance in playoffs100.0*Average seed
Ang 240.37 Kristin 347.04 +10.9
+0.8
Fox 254.49 Maggs 249.15 -7.5
Steph 351.97 Marg 235.46 +2.2
+0.1
Rich 215.07 DRon 222.25 +0.2
+0.2
Week of 12/6100.0*Chance in playoffs100.0*Average seed
Kristin 407.86 Tom 351.29 In
+0.2
Fox 479.5 DRon 224.77 -1.8
Maggs 306.41 Steph 373 +1.2
+0.3
Marg 184.97 Ang 444.33 -0.9
-0.1
Jeff 410.47 Rich 336.83 +0.1
Week of 12/13100.0*Chance in playoffs100.0*Average seed
Ang 309.62 DRon 239.23 -0.1
If winner is:HomeAway
Rich vs Kristin-0.6+0.5
Fox vs Jeff+0.0-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
101-0In10013,773,034
90-1In0881210,316,786
Total:In5738524,089,820
Games Above .500
Chance Will Make Playoffs