diff --git a/app/models/concerns/procedure_stats_concern.rb b/app/models/concerns/procedure_stats_concern.rb
index 146925ea1..16a86e9f6 100644
--- a/app/models/concerns/procedure_stats_concern.rb
+++ b/app/models/concerns/procedure_stats_concern.rb
@@ -31,11 +31,12 @@ module ProcedureStatsConcern
   end
 
   def stats_termines_states
+    nb_dossiers_termines = dossiers.state_termine.count
     Rails.cache.fetch("#{cache_key_with_version}/stats_termines_states", expires_in: 12.hours) do
       [
-        ['Acceptés', dossiers.where(state: :accepte).count],
-        ['Refusés', dossiers.where(state: :refuse).count],
-        ['Classés sans suite', dossiers.where(state: :sans_suite).count]
+        ['Acceptés', percentage(dossiers.where(state: :accepte).count, nb_dossiers_termines)],
+        ['Refusés', percentage(dossiers.where(state: :refuse).count, nb_dossiers_termines)],
+        ['Classés sans suite', percentage(dossiers.where(state: :sans_suite).count, nb_dossiers_termines)]
       ]
     end
   end
@@ -106,6 +107,10 @@ module ProcedureStatsConcern
     (seconds / 60.0 / 60.0 / 24.0).ceil
   end
 
+  def percentage(value, total)
+    (100 * value / total.to_f).round(1)
+  end
+
   def pretty_month(month)
     I18n.l(month, format: "%B %Y")
   end
diff --git a/app/views/shared/procedures/_stats.html.haml b/app/views/shared/procedures/_stats.html.haml
index e5dd83236..c797f3d51 100644
--- a/app/views/shared/procedures/_stats.html.haml
+++ b/app/views/shared/procedures/_stats.html.haml
@@ -30,10 +30,17 @@
   .stat-cards
     .stat-card.stat-card-half.pull-left
       %span.stat-card-title TAUX D’ACCEPTATION
+      .stat-card-details depuis le lancement de la procédure
       .chart-container
         .chart
           - colors = %w(#C3D9FF #0069CC #1C7EC9) # from _colors.scss
-          = pie_chart @termines_states, colors: colors
+          = pie_chart @termines_states,
+            code: true,
+            colors: colors,
+            label: 'Taux',
+            suffix: '%',
+            library: { plotOptions: { pie: {  dataLabels: { enabled: true, format: '{point.name} : {point.percentage: .1f}%' } } } }
+
 
     .stat-card.stat-card-half.pull-left
       %span.stat-card-title RÉPARTITION PAR SEMAINE