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 +20.5
+0.3
Twins 300 Royals 340.5 -9.5
Astros 138 Rangers 277.5 +5.3
+0.2
Angels 320.5 Mariners 276 +1.3
+0.0
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Royals 95.5 Tigers 88 -3.9
-0.0
Angels 125.5 Rangers 78 +2.7
+0.2
Yankees 131.5 Blue Jays 112.5 +1.0
+0.1
Indians 101.5 Twins 122.5 -0.6
-0.0
Mariners 67 Astros 54.5 +0.2
If winner is:HomeTieAway
Week of 8/26100.0*Chance in playoffs100.0*Average seed
Astros vs Angels-53.1InIn
-1.7+0.2+1.1
Indians vs RoyalsInIn-3.6
+0.3+0.3-0.0
Tigers vs TwinsIn-1.7-1.6
+0.3+0.0-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
141-0-0In10010,164,652
13.50-0-1In793340,241
130-1-014.0%14866,509,635
Total:67.1%60253317,014,528
Games Above .500
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 8/12100.0*Lottery seed
Blue Jays 279 Rays 329.5 -0.6
Astros 138 Rangers 277.5 -0.4
Twins 300 Royals 340.5 +0.3
Angels 320.5 Mariners 276 -0.1
Reds 261.5 Cubs 224.5 +0.1
Nationals 401 Mets 277.5 +0.0
Phillies 302 Braves 202 +0.0
Brewers 260.5 Pirates 295.5 +0.0
Week of 8/19100.0*Lottery seed
Angels 125.5 Rangers 78 -0.4
Nationals 96 Braves 128 -0.2
Phillies 137.5 Mets 174 -0.2
Reds 182.5 Pirates 115.5 +0.1
Royals 95.5 Tigers 88 +0.1
Mariners 67 Astros 54.5 -0.1
Indians 101.5 Twins 122.5 +0.0
If winner is:HomeTieAway
Week of 8/26100.0*Lottery seed
Astros vs Angels+2.6-0.5-1.7
Tigers vs Twins-1.9-0.4+0.1
Indians vs Royals-1.2-1.2+0.1
Brewers vs Reds-0.5-0.5+0.0
Pirates vs Cubs+0.1-0.3-0.3

What If

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T123456789101112131415161718192021222324
141-0-03164041
13.50-0-1008591815
130-1-000362286
Total:2925281133