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
Duck Duck Turkey 481 Strike Gold 0 No
No
+5.7
-0.1
Sexy Jo Jo & th 0 Strike Cognition 570 +0.1
We Bowl Bowling 0 Snakes on the L 451 -2.5
+0.1
Gutter? I hardl 0 Split Personali 550 -0.8
+0.0
Week of 3/5100.0*Chance wins title100.0*Playoffs100.0*Last Place Game100.0*Average seed
Strike Gold 0 Snakes on the L 405 +3.1
-0.1
We Bowl Bowling 553 Split Personali 562 +0.0
Week of 3/12100.0*Chance wins title100.0*Playoffs100.0*Last Place Game100.0*Average seed
Strike Gold 0 Strike Cognition 579 Yes
-0.0
We Bowl Bowling 613 Duck Duck Turkey 0 +0.3
Games Above .500
Chance Will Win Championship