public function get_checkedin_percentage( $post_id ): string {
		$total_checked_in = $this->get_checkedin_total();
		$total            = Tribe__Tickets__Tickets::get_event_attendees_count( $post_id );

		// Remove the "Not Going" RSVPs.
		$not_going = tribe( 'tickets.rsvp' )->get_attendees_count_not_going( $post_id );
		$total    -= $not_going;

		if ( $total_checked_in === 0 || $total <= 0 ) {
			return '0%';
		}

		return round( ( $total_checked_in / $total ) * 100 ) . '%';
	}