Can you please try below code?
$paged = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1;
$woo_home_query = array(
'post_type' => 'product',
'posts_per_page' => $top_selling_products_nr,
'meta_key' => 'total_sales',
'paged' => $paged,
'orderby' => 'meta_value_num'
);
<?php if ( $woo_home_query->have_posts() ) : ?>
<div class="products container grid-wrapper clear">
<div class="row">
<?php
while ( $woo_home_query->have_posts() ) : $woo_home_query->the_post();
wc_get_template_part( 'content', 'product' );
endwhile;
?>
</div>
<?php
$total_pages = $woo_home_query->max_num_pages;
if ($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 »'),
));
}
?>
</div>
<?php endif; ?>