How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 6/17100.0*Chance in playoffs100.0*Average seed
Blue Jays 229 Pirates 264 +0.1
+0.0
If winner is:HomeHome OTHome SOAway SOAway OTAway
Week of 6/24100.0*Chance in playoffs100.0*Average seed
Nationals vs Pirates-0.1+0.0+0.0+0.0+0.0+0.0
-0.1-0.1-0.1+0.0+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-Lplayoffs123456789101112Count
18-20In10017,015,926*
176-3In9913,799,633
165-4In901901,317,815
154-5100.0%5673150296,452
143-699.215104331143,193
132-778.613195520203,918
121-824.932249224193
110-90.40834451214,662
Total:100.0%980100000022,481,792

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs