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 -11.2
-0.1
Twins 300 Royals 340.5 -4.8
-0.1
Astros 138 Rangers 277.5 +0.7
+0.0
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Yankees 131.5 Blue Jays 112.5 -16.9
-0.4
Angels 125.5 Rangers 78 -8.2
-0.1
Mariners 67 Astros 54.5 +5.6
+0.1
Royals 95.5 Tigers 88 -4.9
-0.2
Indians 101.5 Twins 122.5 +0.5
+0.1
If winner is:HomeTieAway
Week of 8/26100.0*Chance in playoffs100.0*Average seed
Red Sox vs Blue Jays-0.2-0.2+0.3
Indians vs Royals+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
121-0-0Out49512,673,431
11-11.5Out1002,783,689*
Total:Out24765,457,120

* 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 +0.2
Reds 261.5 Cubs 224.5 +0.1
Phillies 302 Braves 202 +0.1
Nationals 401 Mets 277.5 +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 131.5 Blue Jays 112.5 +0.9
Royals 95.5 Tigers 88 +0.3
Angels 125.5 Rangers 78 +0.3
Mariners 67 Astros 54.5 -0.2
Week of 8/26None

What If

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