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
Rockies 232.5 Dodgers 265.5 +14.2
+0.9
Phillies 302 Braves 202 +0.1
Nationals 401 Mets 277.5 +0.0
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Diamondbacks 137 Dodgers 86 Out
-1.9
Rockies 126 Giants 64.5 -9.7
-0.3
Phillies 137.5 Mets 174 -0.2
Nationals 96 Braves 128 -0.2
If winner is:HomeTieAway
Week of 8/26100.0*Chance in playoffs100.0*Average seed
Dodgers vs Giants+0.6+0.0-1.4

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
101-0-0Out10011,802,738
9.50-0-1Out4555339,465
90-1-0Out1004,872,325
Total:Out7012917,014,528
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
Rockies 232.5 Dodgers 265.5 -1.1
Astros 138 Rangers 277.5 +0.2
Nationals 401 Mets 277.5 -0.0
Phillies 302 Braves 202 -0.0
Yankees 290 Red Sox 367 -0.0
Week of 8/19100.0*Lottery seed
Diamondbacks 137 Dodgers 86 +1.9
Rockies 126 Giants 64.5 +0.4
Angels 125.5 Rangers 78 -0.1
Phillies 137.5 Mets 174 +0.1
If winner is:HomeTieAway
Week of 8/26100.0*Lottery seed
Dodgers vs Giants-0.4+0.9+0.9
Rangers vs Mariners+0.1-0.5-0.5
Braves vs Mets-0.0-0.4+0.0

What If

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T123456789101112131415161718192021222324
101-0-00265024
9.50-0-1036829
90-1-0036829
Total:01835389