How are these numbers calculated?

Big Games

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

Week of 1/25100.0*Chance in playoffs100.0*Average seed
Dosters 102.5 Bill 213 -6.3
-0.7
Nick 128 Birk 160.5 -1.1
David 196 Jacob 182.5 -0.7
Walsh 150 Nick 168 +0.6
Adam 159.5 Jacob 154.5 +0.3
+0.1
David 132.5 Brent 126.5 -0.2
-0.1
Micah 175.5 Birk 158.5 -0.1
Walsh 124.5 Micah 178 +0.1
-0.1
Brent 161 Adam 149.5 +0.1
Week of 2/1100.0*Chance in playoffs100.0*Average seed
Brent 5 Micah 2 +1.1
+0.1
If winner is:HomeAway
Dosters vs Adam+4.7-4.7
+0.8-0.8
Walsh vs Adam-1.2+1.2
Brent vs Nick+1.2-1.2
David vs Birk+0.6-0.6
Micah vs Jacob-0.4+0.4
Bill vs Jacob-0.3+0.3
Bill vs Birk+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs123456789101112Count
143-000In762401,206,484
132-010In1241379103,611,398
121-02099.7%011440359003,614,022
110-03062.802164631601,206,024
Total:95.2%141919191594109,637,928
Points
Chance Will Make Playoffs