How are these numbers calculated?

Big Games

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

Week of 9/8100.0*Chance in playoffs100.0*Average seed
Huntsville City 1 Atlanta II 2 +1.2
+0.2
Columbus II 2 NYCFC II 5 -0.7
Philadelphia II 5 Toronto II 3 -0.6
Kansas City II 2 Chicago II 3 -0.6
-0.1
Week of 9/15100.0*Chance in playoffs100.0*Average seed
NYCFC II 4 Toronto II 3 (so)In
Chicago II 1 Orlando II 2 (so)In
+0.4
Philadelphia II 2 Huntsville City 1 +0.1
Week of 9/24100.0*Chance in playoffs100.0*Average seed
Huntsville City 2 Chicago II 3 (so)+0.1
Orlando II 2 Cincinnati II 1 +0.1
Points
Chance Will Make Playoffs