How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Sunday100.0*Chance in playoffs100.0*Average seed
Birk 162 Jacob 154.5 -15.2
-0.6
Bill 163 Micah 141.5 +2.6
+0.1
Walsh 194.5 Dosters 192 -2.2
-0.1
Nick 169 Adam 139 +0.1
David 96.5 Andrew 191 -0.1
If winner is:HomeAway
Thursday100.0*Chance in playoffs100.0*Average seed
Brent vs Jacob-9.8+9.8
-0.4+0.4
Nick vs Andrew-3.7+3.7
-0.1+0.1
David vs Micah+1.6-1.6
+0.1-0.1
Bill vs Adam+1.6-1.6
+0.1-0.1
Birk vs Dosters-1.4+1.4
Walsh vs Perry-1.3+1.3

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-OTLplayoffs123456789101112Count
155-0098.7%01954251565,904
144-0170.001175227302,812,505
133-0216.00115443555,620,989
122-030.70111464205,621,556
111-040.0001285302,811,477
100-05Out76231567,113
Total:19.3%015142128311017,999,544
Points
Chance Will Make Playoffs