When a user starts a module and completes steps within it, progress is communicated and updated in Standard Reports and Insights.
But SCORM files/modules work with a "checkpoints" style of saving progress.
If the right SCORM settings are applied, the user's progress within the SCORM module will be saved and displayed in reports.
For example, if you have a module where the "progress save" data is updated every 10/100 slides, the user's progress will be shown as 0% until they reach slide 10. Similarly, progress won't be updated until the user reaches slide number 20.
More information on supported types of SCORM and their reporting capabilities can be found here.