How are these numbers calculated?

Big Games

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

Week of 3/11100.0*Chance wins title100.0*Playoffs100.0*Last Place Game100.0*Average seed
GREY 9 SKY 5 -1.1
-19.1
+4.6
-1.0
ROYAL 5 WHITE 3 +0.3
-0.5
LIME 9 MAROON 10 +0.2
-1.7
+1.1
-0.3
PINK 16 AZALEA 1 -0.1
-1.4
-0.3
-0.0
GOLD 17 IRISH 2 -0.7
-0.0
Week of 3/18100.0*Chance wins title100.0*Playoffs100.0*Last Place Game100.0*Average seed
ROYAL 1 LIME 19 -0.2
-4.9
-0.1
-0.1
PINK 15 MAROON 9 +0.6
+0.0
WHITE 11 GOLD 6 +0.1
+0.1
GREY 23 IRISH 3 +0.3
+0.0
SKY 11 AZALEA 3 No
+0.2
Week of 3/25100.0*Chance wins title100.0*Playoffs100.0*Last Place Game100.0*Average seed
ROYAL 9 SKY 5 No
No
-1.5
GREY 5 GOLD 4 +0.1
+0.3
MAROON 15 IRISH 1 -0.2
Games Above .500
Chance Will Win Championship