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
Micah 175.5 Birk 158.5 +15.7
+0.8
Walsh 124.5 Micah 178 +14.8
+0.8
Nick 128 Birk 160.5 -2.6
David 196 Jacob 182.5 -2.4
-0.1
Walsh 150 Nick 168 +1.5
David 132.5 Brent 126.5 -1.2
-0.1
Adam 159.5 Jacob 154.5 +0.3
+0.1
Brent 161 Adam 149.5 -0.2
Week of 2/1100.0*Chance in playoffs100.0*Average seed
Brent 5 Micah 2 -10.6
-0.8
If winner is:HomeAway
Micah vs Jacob+11.4-11.4
+1.1-1.1
Brent vs Nick+2.7-2.7
+0.1-0.1
Bill vs Jacob-1.2+1.2
David vs Birk+1.0-1.0
Walsh vs Adam-0.6+0.6
Bill vs Birk-0.4+0.4
Dosters vs Adam-0.3+0.3
-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLTplayoffs123456789101112Count
13.53-000In5142601,207,289
12.52-010In2194429603,611,990
11.51-02095.4%01134536503,612,753
10.50-03016.9116612021,205,896
Total:87.9%712181619169309,637,928
Points
Chance Will Make Playoffs