How are these numbers calculated?

Big Games

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

Week of 2/26100.0*Chance wins title100.0*Playoffs100.0*Last Place Game100.0*Average seed
Gutter? I hardl 0 Split Personali 550 -4.9
-9.8
+12.6
-1.3
We Bowl Bowling 0 Snakes on the L 451 -0.7
-1.4
-2.6
Duck Duck Turkey 481 Strike Gold 0 -0.3
-0.7
-1.4
Sexy Jo Jo & th 0 Strike Cognition 570 +0.3
+0.6
+1.5
-0.1
Week of 3/5100.0*Chance wins title100.0*Playoffs100.0*Last Place Game100.0*Average seed
Sexy Jo Jo & th 702 Gutter? I hardl 0 No
No
+19.3
-1.0
Strike Gold 0 Snakes on the L 405 -0.1
-0.1
-4.2
+0.2
Oddballs 0 Strike Cognition 570 -0.1
-0.1
-1.6
+0.1
We Bowl Bowling 553 Split Personali 562 -0.1
-4.3
+0.2
Week of 3/12100.0*Chance wins title100.0*Playoffs100.0*Last Place Game100.0*Average seed
We Bowl Bowling 613 Duck Duck Turkey 0 +12.6
-0.3
Strike Gold 0 Strike Cognition 579 -12.2
+0.2
Where do we begin 366 Snakes on the L 0 +2.1
-0.5
Games Above .500
Chance Will Win Championship