From 1d20c82c7ba6d05a81999b0ebc5409adb0c9c965 Mon Sep 17 00:00:00 2001
From: Oscar Kilhed <oscar.kilhed@grafana.com>
Date: Wed, 5 Jan 2022 10:24:43 +0100
Subject: [PATCH] PieChart: Respect percent labels and legends decimal setting
 (#43693)

---
 public/app/plugins/panel/piechart/PieChart.tsx      | 2 +-
 public/app/plugins/panel/piechart/PieChartPanel.tsx | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/public/app/plugins/panel/piechart/PieChart.tsx b/public/app/plugins/panel/piechart/PieChart.tsx
index c0d53ec1a16..f264034a7bd 100644
--- a/public/app/plugins/panel/piechart/PieChart.tsx
+++ b/public/app/plugins/panel/piechart/PieChart.tsx
@@ -299,7 +299,7 @@ function PieLabel({ arc, outerRadius, innerRadius, displayLabels, total, color,
         )}
         {displayLabels.includes(PieChartLabels.Percent) && (
           <tspan x={labelX} dy="1.2em">
-            {((arc.data.display.numeric / total) * 100).toFixed(0) + '%'}
+            {((arc.data.display.numeric / total) * 100).toFixed(arc.data.field.decimals ?? 0) + '%'}
           </tspan>
         )}
       </text>
diff --git a/public/app/plugins/panel/piechart/PieChartPanel.tsx b/public/app/plugins/panel/piechart/PieChartPanel.tsx
index b8e87a8cd72..a1ba2a08a3a 100644
--- a/public/app/plugins/panel/piechart/PieChartPanel.tsx
+++ b/public/app/plugins/panel/piechart/PieChartPanel.tsx
@@ -123,7 +123,7 @@ function getLegend(props: Props, displayValues: FieldDisplay[]) {
               text:
                 hidden || isNaN(fractionOfTotal)
                   ? props.fieldConfig.defaults.noValue ?? '-'
-                  : percentOfTotal.toFixed(0) + '%',
+                  : percentOfTotal.toFixed(value.field.decimals ?? 0) + '%',
               title: valuesToShow.length > 1 ? 'Percent' : '',
             });
           }