How are these numbers calculated?

Big Games

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

Week of 11/2100.0*Chance in playoffs100.0*Average seed
S Crouch 102.9 Barnett 150.1 +5.0
+0.1
Salsberry 169.8 Smith 102.2 -1.7
-0.1
McNichols 112.8 Metheny 74.9 -1.2
-0.1
M Crouch 136.3 Lippincott 87 -1.0
-0.1
Vanzant 126.8 Purvis 54.4 -0.3
If winner is:HomeAway
Week of 11/9100.0*Chance in playoffs100.0*Average seed
Smith vs S Crouch+22.2-16.3
+0.5-0.3
Barnett vs Vanzant+14.5-3.6
+0.2-0.1
Purvis vs McNichols+0.2-0.1
+0.1-0.0
Metheny vs M Crouch+0.2-0.1
+0.1-0.0

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
93-0In059412,515,543
82-1In05336216,297,380
71-285.7%038214033,734,221
60-315.9016523322,033,876
Total:68.7%031055211074,581,020
Games Above .500
Chance Will Make Playoffs