Hi There,
I'm using Moodle 3.5 and started having issues with course completion.
On the documentation (https://docs.moodle.org/35/en/Course_completion_settings) it says;
Condition:
Course grade If you tick the Enable box, you can set a passing grade for the course. Please note that course grade in Completion status is looking at total of points (rawgrade) rather than a percentage.