Prepend "With Failure" to subscriptions with the "on-hold" status and the last renewal order with the "failed" status.

wcs-mod-display.php

<?php
/**
 * Plugin Name: WooCommerce Subscriptions - Display Failed Status
 * Plugin URI:
 * Description: Prepend "With Failure" to subscriptions with the "on-hold" status and the last renewal order with the "failed" status.
 * Author: Prospress Inc.
 * Author URI: http://prospress.com/
 * Version: 1.0
 *
 * Copyright 2016 Prospress, Inc.  (email : [email protected])
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @package		WooCommerce Subscriptions
 * @author		Prospress Inc.
 * @since		1.0
 */

function wcs_mod_display( $column_content, $the_subscription, $actions ) {

	if ( $the_subscription->has_status( 'on-hold' ) ) {

		$last_renewal_order = $the_subscription->get_last_order( 'all', array( 'renewal' ) );

		if ( ! empty( $last_renewal_order ) && $last_renewal_order->has_status( 'failed' ) ) {
			$column_content = sprintf( '<br/><mark class="failed tips" data-tip="%s">%s</mark>', __( 'Last renewal order has the "failed" status.', 'wcs_mod_display' ), __( 'With Failure', 'wcs_mod_display' ) ) . $column_content;
		}
	}

	return $column_content;
}
add_filter( 'woocommerce_subscription_list_table_column_status_content', 'wcs_mod_display', 10, 3 );