How are these numbers calculated?

Big Games

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

Week of 4/1100.0*Chance wins title100.0*Average seed
IWG 3 Road Runner 1 -12.9
-0.2
SWE 1 Raintree 7 -11.9
-0.1
Week of 4/8100.0*Chance wins title100.0*Average seed
Road Runner 0 Raintree 2 No
-0.5
Week of 4/15100.0*Chance wins title100.0*Average seed
Niner 2 Road Runner 3 +0.2
IWG 2 Raintree 1 -0.2
Points
Chance Will Win Championship