Win% represents the percent games played that were won.
Games Won + ( Games Tied × 0.5 ) ) ÷ Games Played = Win%
( 3 + ( 0 × 0.5 ) ) ÷ 9 = 33.3%
SOS1 represents the average of opponents' Win% for each game.
AVERAGE(
30.0%
50.0%
33.3%
18.2%
20.0%
57.1%
12.5%
73.3%
44.4% ) = 0.376
SOS2 represents the average of opponents' SOS1.
AVERAGE(
0.538
0.466
0.338
0.489
0.422
0.419
0.537
0.477
0.426 ) = 0.457
RPI represents the Ratings Percentage Index
( 40% × Win% ) + ( 40% × SOS1 ) + ( 20% × SOS2 ) = RPI
( 40% × 0.333 ) + ( 40% × 0.376 + ( 20% × 0.457 ) = 0.375
( 0.133 ) + ( 0.150 ) + ( 0.091 ) = 0.375