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 +13.9
+0.2
Phillies 302 Braves 202 -4.2
-0.0
Nationals 401 Mets 277.5 -2.0
-0.0
Brewers 260.5 Pirates 295.5 -0.1
-0.0
Week of 8/19100.0*Chance in playoffs100.0*Average seed
Reds 346.5 Pirates 262.5 +29.3
+0.6
Phillies 268.5 Mets 321 +28.2
+0.3
Nationals 287 Braves 217 -0.3
If winner is:HomeTieAway
Week of 8/26100.0*Chance in playoffs100.0*Average seed
Pirates vs Cubs-0.7+2.1+2.1
Brewers vs Reds-0.7-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-L-Tplayoffs123456789101112Count
141-0-0In257512,772,775
13.50-0-1In91377275,058
130-1-0In100750,711
Total:In2307713,798,544
Games Above .500
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 8/12100.0*Lottery seed
Reds 261.5 Cubs 224.5 -0.7
Phillies 302 Braves 202 +0.1
Blue Jays 279 Rays 329.5 -0.1
Astros 138 Rangers 277.5 -0.1
Twins 300 Royals 340.5 +0.1
Nationals 401 Mets 277.5 +0.1
Brewers 260.5 Pirates 295.5 +0.0
Week of 8/19100.0*Lottery seed
Reds 346.5 Pirates 262.5 -1.9
Phillies 268.5 Mets 321 -1.0
Mariners 195 Astros 155 -0.2
Angels 289 Rangers 238.5 +0.1
Nationals 287 Braves 217 +0.0
Indians 239.5 Twins 261.5 +0.0
If winner is:HomeTieAway
Week of 8/26100.0*Lottery seed
Brewers vs Reds+2.0+2.0-0.2
Tigers vs Twins-0.5-0.5+0.0
Pirates vs Cubs+0.1-0.2-0.2
Astros vs Angels-0.1-0.1+0.1
Phillies vs Nationals-0.1-0.1+0.1

What If

100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TWW-L-T123456789101112131415161718192021222324
141-0-046371241
13.50-0-104234428
130-1-004234528
Total:42351373