How are these numbers calculated?

Big Games

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

Week of 10/16100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
Grey 61 Irish 47 +0.2
+12.5
-8.6
+0.8
Pink 59 Black 41 +0.8
+0.0
Royal 25 Carolina 47 -0.2
+0.2
-0.0
Week of 10/23100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
Grey 58 Carolina 54 +1.8
+52.1
-11.8
+1.2
Irish 62 Black 42 +0.1
+4.4
+4.0
+0.2
If winner is:HomeAway
Week of 10/30100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
Grey vs Royal+0.4-2.4
+11.7-75.6
+0.2-1.2
Pink vs Charcoal+0.2-0.1
+0.1-0.0
Black vs Carolina+0.2-0.1
+5.8-1.7
+0.1-0.0
Irish vs Ash-0.1+0.0
-1.7+0.5
-0.1+0.0

What If

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

100100100100100100100100
If finish:ChanceChance will finish season at seedLast
TPW-Lwins titlePlayoffs12345678PlaceCount
61-03.1%100.0%313840No61,714,936,521
40-10.412.702116523No9,551,146,887
Total:2.7%88.3%3127493No71,266,083,408
Games Above .500
Chance Will Win Championship