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 +15.9
+0.7
Bill 163 Micah 141.5 +2.6
+0.1
Walsh 194.5 Dosters 192 -2.3
-0.1
Birk 162 Jacob 154.5 +0.3
David 96.5 Andrew 191 -0.1
If winner is:HomeAway
Thursday100.0*Chance in playoffs100.0*Average seed
Nick vs Andrew+14.3-14.3
+0.5-0.5
Brent vs Jacob+3.7-3.7
+0.1-0.1
Bill vs Adam+3.7-3.7
+0.1-0.1
David vs Micah+3.5-3.5
+0.1-0.1
Walsh vs Perry-1.5+1.5
-0.1+0.1
Birk vs Dosters-1.4+1.4
-0.1+0.1

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
165-00In0234605565,973
154-0199.8%024446802,812,846
143-0290.30538479005,622,117
132-0343.30539441215,620,675
121-044.90534471402,810,721
110-050.00436583567,212
Total:61.3%00110212922124017,999,544
Points
Chance Will Make Playoffs