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 +13.9
+0.1
Friday100.0*Chance in playoffs100.0*Average seed
WG 2 WP 3 -12.9
-0.4
Saturday100.0*Chance in playoffs100.0*Average seed
WG 1 WP 9 -24.9
-0.5
WP 12 WG 2 -24.9
-0.5
Games Above .500
Chance Will Make Playoffs