How are these numbers calculated?

Big Games

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

Week of 4/18100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
Sunset 47 Black 44 -1.4
-5.5
+33.3
-0.8
Royal 67 Gold 60 -0.5
-2.1
-4.9
Cardinal 58 White 51 +0.4
+1.7
+0.1
Stone 76 Lime 48 +0.1
+0.5
-0.2
+0.1
Week of 4/25100.0*Chance wins title100.0*Playoffs100.0*Last Place100.0*Average seed
Royal 61 Black 48 No
No
Yes
-0.6
White 42 Gold 53 +0.3
+1.2
+12.6
-0.1
Lime 43 Sunset 41 +0.1
+0.6
+0.5
Week of 5/2None
Games Above .500
Chance Will Win Championship