Already I have

// SHOW TOTAL ON USERS PAGE - START


$total = 0;
if ( function_exists( 'mycred_get_types' ) ) {
	$types = mycred_get_types();
	foreach ( $types as $type_id => $label ) {
		$balance = get_user_meta( $user_id, $type_id, true );
		if ( $balance == '' ) continue;
		$total = $total + $balance;
	}
}

// Add in the custom column
add_filter('manage_users_columns', 'mycred_pro_add_custom_user_column');
function mycred_pro_add_custom_user_column($columns) {
    $columns['mycred-total-all'] = 'Total Cashback';
    return $columns;
}

// Add the custom columns content
add_action('manage_users_custom_column',  'mycred_pro_show_custom_user_column', 10, 3);
function mycred_pro_show_custom_user_column($value, $column_name, $user_id) {

	if ( 'mycred-total-all' == $column_name ) {
		$total = 0;
		if ( function_exists( 'mycred_get_types' ) ) {
			$types = mycred_get_types();
			foreach ( $types as $type_id => $label ) {
				$balance = get_user_meta( $user_id, $type_id, true );
				if ( $balance == '' ) continue;
				$total = $total + $balance;
			}
		}
		$value = "₹ ".number_format( $total, 2, '.', ',' );
	}
    return $value;
}

// FORMAT TOTAL OUTPUT IN FRONT-END -START

add_filter( 'mycred_total_balances_output', 'mycred_pro_format_total_shortocode' );
function mycred_pro_format_total_shortocode( $total ) {

	return number_format( $total, 2, '.', ',' );

}

// FORMAT TOTAL OUTPUT IN FRONT-END - END