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
Nick 169 Adam 139 +14.3
+0.6
Bill 163 Micah 141.5 +3.0
+0.2
Walsh 194.5 Dosters 192 -2.7
-0.1
Birk 162 Jacob 154.5 +0.2
If winner is:HomeAway
Thursday100.0*Chance in playoffs100.0*Average seed
Nick vs Andrew+18.9-11.6
+0.6-0.4
Bill vs Adam+5.1-3.1
+0.1-0.1
Brent vs Jacob+6.0-2.1
+0.2-0.1
David vs Micah+3.6-1.8
+0.1-0.1
Birk vs Dosters-1.7+1.0
-0.1+0.1
Walsh vs Perry-1.4+0.8
-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-OTLplayoffs123456789101112Count
165-00In09829917,879
154-0199.7%038521005,822,796
143-0286.7033350131014,437,209
132-0334.803324816117,176,734
121-042.60328511909,724,348
110-050.002326602,060,442
Total:50.8%007172726177050,139,408
Points
Chance Will Make Playoffs