What NBA team was the greatest ever? For basketball fans, that question can lead to widespread debate.

Sports journalist and basketball enthusiast Kyle Wright has created a new and unique computer formula to rank every team in NBA history. Coining it as the POST formula, Wright assigns ratings to all NBA teams based on how they stack up to other comparable teams during any year-from the number of wins and losses to points scored and points allowed. The result is a complete ranking that takes you from number one to number 1,153.

Wright brings to light other game-stopping details that...