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
Backdoor Sliders 17 Empty Pitchers 23 +29.4
+1.7
Master Batters 17 Off Constantly 24 -4.0
-0.1
Mattinglys Side 10 Bus Boys 1 -0.5
KBV Shepard 17 Redshift 21 -0.5
+0.0
Bad News Beers 9 Groundswell Geeks 27 +0.5
+0.1
If winner is:HomeTieAway
Week of 6/13100.0*Chance in playoffs100.0*Average seed
Empty Pitchers vs Groundswell GeeksIn+25.0-49.2
+2.0-0.1-2.0
Bad News Beers vs KBV Shepard-2.3+7.5+0.6
-0.1+0.2+0.0
Off Constantly vs Mattinglys Side+3.8-5.7-2.5
+0.0+0.1-0.0
Master Batters vs Redshift+4.3+0.2-4.3
+0.3-0.1-0.3
Backdoor Sliders vs Bus Boys-2.5+2.0+2.1
-0.2+0.2+0.2

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
61-0-0In247616,602,402
50-1-07.1%1730441916,596,006
0-0-181.437451723,685,092
Total:56.3%1134471520836,883,500
Games Above .500
Chance Will Make Playoffs