paginate_links format
<?php
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
$data= new WP_Query(array(
'post_type'=>'YOUR_POST_TYPE', // your post type name
'posts_per_page' => 3, // post per page
'paged' => $paged,
));
if($data->have_posts()) :
while($data->have_posts()) : $data->the_post();
// Your code
endwhile;
$total_pages = $data->max_num_pages;
if ($total_pages > 1){
$current_page = max(1, get_query_var('paged'));
echo paginate_links(array(
'base' => get_pagenum_link(1) . '%_%',
'format' => '/page/%#%',
'current' => $current_page,
'total' => $total_pages,
'prev_text' => __('« prev'),
'next_text' => __('next »'),
));
}
?>
<?php else :?>
<h3><?php _e('404 Error: Not Found', ''); ?></h3>
<?php endif; ?>
<?php wp_reset_postdata();?>