How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/9100.0*Chance in playoffs100.0*Average seed
Smith 131.4 S Crouch 97.7 +24.7
+0.7
Barnett 123.8 Vanzant 147.1 -3.5
-0.1
Metheny 85.6 M Crouch 89.7 -0.9
-0.1
Purvis 81.4 McNichols 87.3 -0.5
-0.0
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
Vanzant vs Smith-15.2In
-0.3+0.6
M Crouch vs Purvis-0.5+1.5
-0.1+0.2
McNichols vs Barnett-0.0+0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
92-0In369289,485,532
81-1In06326237,831,379
70-237.0%1366337,555,309
Total:72.1%01018442884,872,220
Games Above .500
Chance Will Make Playoffs