How are these numbers calculated?

Big Games

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

Week of 6/6100.0*Chance in playoffs100.0*Average seed
Master Batters 17 Off Constantly 24 +23.6
+1.4
Mattinglys Side 10 Bus Boys 1 -1.4
Backdoor Sliders 17 Empty Pitchers 23 +0.8
KBV Shepard 17 Redshift 21 -0.3
+0.0
Bad News Beers 9 Groundswell Geeks 27 +0.1
If winner is:HomeTieAway
Week of 6/13100.0*Chance in playoffs100.0*Average seed
Off Constantly vs Mattinglys SideInIn-9.4
+1.3+0.6-1.5
Empty Pitchers vs Groundswell Geeks+1.6-14.1+1.6
+0.0-0.2+0.0
Master Batters vs Redshift+6.5+6.5-7.9
+0.2+0.2-0.2
Bad News Beers vs KBV Shepard-7.6+6.2+6.2
-0.2+0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
71-0-0In10016,595,445
60-1-083.0%384516116,601,398
0-0-1In23773,686,657
Total:92.3%47817207136,883,500
Games Above .500
Chance Will Make Playoffs