To report levels of success, you simply report the percentage of users who were at a given level. So, for example, if out of 100 users, 35 completed the task with a minor issue, you would say that 35% of your users were able to complete the task with a minor issue.
How do you calculate a success rate?
To calculate success rate, simply divide the number of successful plays (as defined by down and distance above) by total plays. It can be used for both offenses and defenses.
What is a success rate?
Success rate is the fraction or percentage of success among a number of attempts to perform a procedure or task.
What is a good task success rate?
So this is one threshold of good and bad–with anything above a 78% being above average. If you're scratching your head looking for a benchmark for a task, using 78% would be a good place to start.