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
Adam 159.5 Jacob 154.5 -3.3
-0.8
David 196 Jacob 182.5 -0.9
-0.5
Nick 128 Birk 160.5 -0.5
+0.1
David 132.5 Brent 126.5 -0.3
-0.1
Walsh 124.5 Micah 178 -0.1
-0.0
Walsh 150 Nick 168 -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
Bill vs Jacob-3.1+3.4
-0.7+0.8
Micah vs Jacob-3.2+3.2
-0.8+0.8
Brent vs Nick+1.8-1.4
David vs Birk+0.3-0.3
Walsh vs Adam-0.2+0.3
Dosters vs Adam-0.1+0.2
-0.1+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs123456789101112Count
155-000In1001,324,352
144-010In742515,579,967
133-020In11443510109,238,241
122-03099.8%0112353912007,458,911
111-04077.701156221102,930,717
100-0509.49602740452,020
Total:96.0%242115131310310026,984,208
Points
Chance Will Make Playoffs