How are these numbers calculated?

Big Games

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

Week of 8/3100.0*Chance in playoffs100.0*Average seed
Bluenosers 231.5 Cpt. McCutchen 233 +6.2
+1.0
The Frontalobotomies 289 Fister'TilShe'sLohse 287 -1.1
+0.1
Milky Cabreroes 273 WantedAHanleyGotaBJ 264.5 +0.5
Chock Dogs 215.5 Rusty Trumbo 210.5 -0.5
Astars 280 Jonesy's Juggernaut 237 +0.3
+0.1
The Beatles of MLB 239.5 2 Shades of Gray 224 -0.2
+0.1
If winner is:HomeAway
Week of 8/10100.0*Chance in playoffs100.0*Average seed
The Frontalobotomies vs Cpt. McCutchen-2.9+2.9
-0.8+0.8
Slappy McDinggers vs 2 Shades of Gray+0.4-0.4
+0.1-0.1
Throop's Troopers vs The Beatles of MLB+0.4-0.4
Bluenosers vs Astars-0.4+0.4
-0.1+0.1
Rusty Trumbo vs Jonesy's Juggernaut+0.2-0.2
Chock Dogs vs Fister'TilShe'sLohse+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs12345678910111213141516Count
154-0-0In9640748,413
143-1-0In65314002,988,375
132-2-0In113735142004,484,683
121-3-099.1%01112833206102,989,622
110-4-055.7004173433101748,395
Total:97.0%2622171296421011,959,488
Games Above .500
Chance Will Make Playoffs