How are these numbers calculated?

Big Games

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

Week of 2/25100.0*Chance in playoffs100.0*Average seed
Jaun 2 Schoolman 8 -5.8
-0.4
Scott 13 Allen 3 -3.9
M. Jackson 2 K. Jackson 13 -1.2
Gray 3 Wright 7 -0.3
-0.0
Week of 3/11100.0*Chance in playoffs100.0*Average seed
Gray 7 Jaun 6 -0.8
Schoolman 9 Wright 6 +0.2
Games Above .500
Chance Will Make Playoffs