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
Mattinglys Side 10 Bus Boys 1 +25.6
+1.8
Master Batters 17 Off Constantly 24 +0.6
+0.0
KBV Shepard 17 Redshift 21 +0.3
+0.1
Bad News Beers 9 Groundswell Geeks 27 -0.3
+0.0
Backdoor Sliders 17 Empty Pitchers 23 +0.2
-0.0
If winner is:HomeTieAway
Week of 6/13100.0*Chance in playoffs100.0*Average seed
Off Constantly vs Mattinglys Side-44.2+32.0In
-2.0-0.1+2.0
Master Batters vs Redshift+6.8+0.3-6.9
+0.3-0.1-0.3
Bad News Beers vs KBV Shepard-2.8+10.2+0.5
-0.1+0.3+0.0
Backdoor Sliders vs Bus Boys-5.3+4.4+4.3
-0.2+0.2+0.2
Empty Pitchers vs Groundswell Geeks-0.8-6.7+2.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs12345678910Count
61-0-0In564416,601,398
50-1-018.6%31635341216,595,445
0-0-194.9573853,686,657
Total:62.9%25207111615536,883,500
Games Above .500
Chance Will Make Playoffs