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 -4.6
-0.6
David 196 Jacob 182.5 -3.1
-0.6
Nick 128 Birk 160.5 -0.6
David 132.5 Brent 126.5 -0.3
-0.1
Walsh 150 Nick 168 +0.2
-0.1
Micah 175.5 Birk 158.5 -0.1
Week of 2/1100.0*Chance in playoffs100.0*Average seed
Brent 5 Micah 2 +0.8
+0.1
If winner is:HomeAway
Bill vs Jacob-5.7+5.7
-0.8+0.8
Micah vs Jacob-5.5+5.5
-0.9+0.9
Brent vs Nick+1.6-1.6
Walsh vs Adam-0.9+0.9
David vs Birk+0.7-0.7
Dosters vs Adam-0.5+0.5
-0.1+0.1

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
155-000In100302,225
144-010In841501,506,212
133-020In2552203003,010,557
122-030100.0%062740234003,010,546
111-04074.602205223201,504,499
100-0504.043544161303,889
Total:93.0%2420151410952009,637,928
Points
Chance Will Make Playoffs