How to display percentages on pie chart pieces?

 protected function getData(): array
    {
        $data = [
            "draft" => 1,
            "in_use" => 3,
            "available" => 2,
            "under_repair" => 0
        ];
        return [
            'datasets' => [
                [
                    'label' => 'Assets',
                    'data' => array_values($data),
                    'backgroundColor' => [
                        '#C98249',
                        '#69B19C',
                        '#9FCAE1',
                        '#D67676',
                    ],
                    'borderColor' => [
                        '#A6693A',
                        '#467D6E',
                        '#6A90B8',
                        '#B05858',
                    ],
                    'borderWidth' => 0.5,
                ],
            ],
            'labels' => array_keys($data),
        ];
    }