Array
(
    [9216] => Array
        (
            [lessons] => Array
                (
                    [22349] => 1
                    [22351] => 1
                    [22353] => 1
                    [22355] => 1
                    [22357] => 1
                    [22359] => 1
                    [18867] => 1
                    [22368] => 1
                    [22370] => 1
                    [22372] => 1
                    [22378] => 1
                    [22380] => 1
                    [22382] => 1
                    [22384] => 1
                    [22386] => 1
                    [22388] => 1
                    [22390] => 1
                    [22392] => 1
                    [22394] => 1
                    [22396] => 1
                    [22398] => 1
                    [22400] => 1
                    [22402] => 1
                )

            [topics] => Array
                (
                    [22349] => Array
                        (
                        )

                    [22351] => Array
                        (
                        )

                    [22353] => Array
                        (
                        )

                    [22355] => Array
                        (
                        )

                    [22357] => Array
                        (
                        )

                    [22359] => Array
                        (
                        )

                    [18867] => Array
                        (
                            [22362] => 1
                            [22364] => 1
                            [22366] => 1
                        )

                    [22368] => Array
                        (
                        )

                    [22370] => Array
                        (
                        )

                    [22372] => Array
                        (
                            [22374] => 1
                            [22376] => 1
                        )

                    [22378] => Array
                        (
                        )

                    [22380] => Array
                        (
                        )

                    [22382] => Array
                        (
                        )

                    [22384] => Array
                        (
                        )

                    [22386] => Array
                        (
                        )

                    [22388] => Array
                        (
                        )

                    [22390] => Array
                        (
                        )

                    [22392] => Array
                        (
                        )

                    [22394] => Array
                        (
                        )

                    [22396] => Array
                        (
                        )

                    [22398] => Array
                        (
                        )

                    [22400] => Array
                        (
                        )

                    [22402] => Array
                        (
                        )

                )

            [completed] => 28
            [total] => 28
            [last_id] => 22376
            [status] => in_progress
        )

)

By Learndash hook : learndash_user_get_course_progress

Array
(
    [completed] => 28
    [total] => 28
    [status] => completed
)