JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"     type="text/javascript"></script>    
<script src='http://code.highcharts.com/highcharts.js' type='text/javascript'> </script>      
<script src='http://code.highcharts.com/modules/exporting.js' type='text/javascript'></script>
  
        <div id="container" style="min-width: 400px; height: 400px; margin: 0 auto"></div>

JavaScript

$(function () {
    $('#container').highcharts({
        chart: {
            type: 'pie',
            options3d: {
                enabled: true,
                alpha: 45,
                beta: 0
            }
        },
        title: {
            text: 'Total de Ligações por Operadora'
        },
        subtitle: {
            text: ''
        },
        legend: {
                    //acrescente a linha abaixo
                    labelFormat: '{name} ({percentage:.1f}%)', 
                    //acrescente a linha acima
                    layout: 'vertical',
                    backgroundColor: '#FFFFFF',
                    align: 'left',
                    verticalAlign: 'top',
                    x: 50,
                    y: 35,
                    floating: true,
                    shadow: true
                },

        xAxis: {
            categories: ['<?php echo join("','", $data1) ?>'],}, 
        yAxis: {
            min: 0,
            title: {
                text: 'Quantidade'
            }
        },
         
        plotOptions: {
            //ou adicione esse trecho abaixo//////////////////
            series: {
                        dataLabels: {
                            enabled: true,
                            format: '{point.name}: {point.y:.1f}%'
                        }
                    },
            //adicione esse trecho acima////////////
            column: { pointPadding: 0.2, borderWidth: 0 }},
        
        series: [{ name: 'Quantidade', data: [1,2,3],
            showInLegend: true                   
       }]
    });
});