function my_acf_update_totalexpenses($post_id)
{
$total = get_sub_field('list'); $totaltasks = count($tasks);
$totaltaskpercentage = 0;
while ( have_rows('list') ) : the_row();
$totaltaskpercentage += intval( get_sub_field('expense_'));
endwhile;
$grouptaskpercentage = $totaltaskpercentage / $totaltasks;
echo round($grouptaskpercentage);
$value = $total;
update_field('field_5ca90e913bb43', $value, $post_id);
}
add_action('acf/save_post', 'my_acf_update_totalexpenses', 20);