A statistic that measures the rate in which a player or teams shots on goal result in goals for the player or team. Shooting Percentage is calculated by simply taking the total number of goals scored and dividing it by the number of shots on goal.
SHT% = goals/shots on goal
League wide shooting percentage has changed over the seasons due to evolution in the game, which has become more defensively focused and led to lower overall scoring and thus lower shooting percentages. However, since the 2009-10 NHL season, the average team shooting percentage has been steady around the 9% level.
To get more information on team shooting percentages, read: What is the average shooting percentage in the NHL?