How are these numbers calculated?

Big Games

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

Week of 10/30100.0*Chance in playoffs100.0*Average seed
Puck Bud 5 Mafia 11 -28.4
-0.5
Puckin 5 Disco 4 +13.6
+0.1
Week of 11/6100.0*Chance in playoffs100.0*Average seed
Puck Bud 11 Hattrick 4 +10.7
+0.3
Glory 9 Disco 1 +7.1
+0.1
Shrew 4 Puckin 5 -2.7
-0.1
If winner is:HomeAway
Week of 11/13100.0*Chance in playoffs100.0*Average seed
Puckin vs Mafia-40.6+23.1
-0.6+0.3
Puck Bud vs GloryIn-9.5
+0.5-0.1
Disco vs Mafia-16.3+11.0
-0.4+0.2

What If

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

100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789Count
61-0In10017,629,845
50-150.2%50331774,960,775
Total:59.7%60271392,590,620
Games Above .500
Chance Will Make Playoffs