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 +3.7
+0.6
Nick 128 Birk 160.5 -1.5
+0.1
David 196 Jacob 182.5 -0.9
David 132.5 Brent 126.5 -0.5
-0.1
Walsh 150 Nick 168 +0.4
-0.0
Adam 159.5 Jacob 154.5 +0.2
+0.2
Walsh 124.5 Micah 178 -0.2
-0.1
Micah 175.5 Birk 158.5 -0.2
Week of 2/1100.0*Chance in playoffs100.0*Average seed
Brent 5 Micah 2 +0.6
+0.1
If winner is:HomeAway
Bill vs Birk+7.4-8.2
+0.9-1.0
Bill vs Jacob+6.7-7.5
+0.8-0.9
Brent vs Nick+5.2-4.0
+0.1-0.1
David vs Birk+0.8-0.8
Walsh vs Adam-0.6+0.7
Dosters vs Adam-0.3+0.6
-0.1+0.2
Micah vs Jacob-0.3+0.3
-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs123456789101112Count
144-000In702822,903,725
133-010In7344215208,756,332
122-02099.7%019334115009,750,377
111-03060.301105038204,729,422
100-040Out474580844,352
Total:89.8%101417171714820026,984,208
Points
Chance Will Make Playoffs