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
Reds 261.5 Cubs 224.5 -1.7
-0.1
Brewers 260.5 Pirates 295.5 +0.8
+0.1
Phillies 302 Braves 202 -0.5
-0.0
Nationals 401 Mets 277.5 -0.4
-0.0
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Reds 346.5 Pirates 262.5 -10.2
-0.8
Phillies 268.5 Mets 321 +3.5
+0.2
Nationals 287 Braves 217 -0.4
-0.0
If winner is:HomeTieAway
Week of 8/26100.0*Chance in playoffs100.0*Average seed
Pirates vs CubsInIn-28.2
+0.7-1.6-2.0
Phillies vs Nationals-13.2InIn
+0.3+0.5-0.2
Brewers vs RedsIn-0.5-0.5
+0.6+0.0-0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
141-0-0In415910,384,103
13.50-0-1In3593275,279
130-1-063.4%558373,139,162
Total:91.7%314615813,798,544
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
Twins 300 Royals 340.5 -0.3
Astros 138 Rangers 277.5 -0.3
Brewers 260.5 Pirates 295.5 -0.1
Reds 261.5 Cubs 224.5 +0.1
Phillies 302 Braves 202 +0.0
Nationals 401 Mets 277.5 +0.0
Week of 8/19100.0*Lottery seed
Reds 346.5 Pirates 262.5 +1.0
Phillies 268.5 Mets 321 -0.1
Nationals 287 Braves 217 +0.0
If winner is:HomeTieAway
Week of 8/26100.0*Lottery seed
Pirates vs Cubs-0.7+0.7+2.3
Brewers vs Reds-1.0-0.6+0.1
Phillies vs Nationals+0.2-0.6-0.1
Tigers vs Twins-0.6-0.6+0.0
Astros vs Angels-0.2-0.2+0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T123456789101112131415161718192021222324
141-0-072540226
13.50-0-1011542366
130-1-000222354324
Total:619312213171