How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Thursday100.0*Chance in playoffs100.0*Average seed
SEM 2 DEL 3 +18.7
+0.2
Friday100.0*Chance in playoffs100.0*Average seed
WG 2 WP 3 In
+0.4
Saturday100.0*Chance in playoffs100.0*Average seed
WP 12 WG 2 +0.3
WG 1 WP 9 +0.3
SAN 6 LEE 1 -0.1
LEE 3 SAN 0 +0.1
Games Above .500
Chance Will Make Playoffs