How are these numbers calculated?

Big Games

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

Week of 8/12100.0*Chance in playoffs100.0*Average seed
Blue Jays 279 Rays 329.5 -16.2
-0.2
Angels 320.5 Mariners 276 -11.3
-0.1
Twins 300 Royals 340.5 -4.7
-0.1
Astros 138 Rangers 277.5 +0.7
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Yankees 237 Blue Jays 218.5 -16.9
-0.4
Angels 289 Rangers 238.5 -8.2
-0.1
Mariners 195 Astros 155 +5.6
+0.1
Royals 267.5 Tigers 187.5 -4.8
-0.2
Indians 239.5 Twins 261.5 +0.6
+0.1
If winner is:HomeTieAway
Week of 8/26100.0*Chance in playoffs100.0*Average seed
Indians vs Royals+0.3-0.2-0.2
Red Sox vs Blue Jays-0.2-0.2+0.2

What If

Chances based on how well the Blue Jays finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
121-0-0Out49512,203,071
11-11.5Out1002,289,249*
Total:Out24764,492,320

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 8/12100.0*Lottery seed
Blue Jays 279 Rays 329.5 +1.1
Angels 320.5 Mariners 276 +0.4
Twins 300 Royals 340.5 +0.1
Phillies 302 Braves 202 +0.1
Nationals 401 Mets 277.5 +0.1
Reds 261.5 Cubs 224.5 +0.1
Astros 138 Rangers 277.5 -0.1
Brewers 260.5 Pirates 295.5 +0.1
Week of 8/19100.0*Lottery seed
Yankees 237 Blue Jays 218.5 +0.9
Royals 267.5 Tigers 187.5 +0.3
Angels 289 Rangers 238.5 +0.3
Mariners 195 Astros 155 -0.2
Week of 8/26None

What If

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T123456789101112131415161718192021222324
11-12100
Total:100