Index: app/helpers/application_helper.rb
===================================================================
--- app/helpers/application_helper.rb	(revision 14972)
+++ app/helpers/application_helper.rb	(working copy)
@@ -1108,12 +1108,14 @@
     pcts = pcts.collect(&:round)
     pcts[1] = pcts[1] - pcts[0]
     pcts << (100 - pcts[1] - pcts[0])
+    titles = options[:titles].to_a
+    titles[0] = "#{pcts[0]}%" if titles[0].blank?
     legend = options[:legend] || ''
     content_tag('table',
       content_tag('tr',
-        (pcts[0] > 0 ? content_tag('td', '', :style => "width: #{pcts[0]}%;", :class => 'closed') : ''.html_safe) +
-        (pcts[1] > 0 ? content_tag('td', '', :style => "width: #{pcts[1]}%;", :class => 'done') : ''.html_safe) +
-        (pcts[2] > 0 ? content_tag('td', '', :style => "width: #{pcts[2]}%;", :class => 'todo') : ''.html_safe)
+        (pcts[0] > 0 ? content_tag('td', '', :style => "width: #{pcts[0]}%;", :class => 'closed', :title => titles[0]) : ''.html_safe) +
+        (pcts[1] > 0 ? content_tag('td', '', :style => "width: #{pcts[1]}%;", :class => 'done', :title => titles[1]) : ''.html_safe) +
+        (pcts[2] > 0 ? content_tag('td', '', :style => "width: #{pcts[2]}%;", :class => 'todo', :title => titles[2]) : ''.html_safe)
       ), :class => "progress progress-#{pcts[0]}").html_safe +
       content_tag('p', legend, :class => 'percent').html_safe
   end
Index: app/views/versions/_overview.html.erb
===================================================================
--- app/views/versions/_overview.html.erb	(revision 14972)
+++ app/views/versions/_overview.html.erb	(working copy)
@@ -16,6 +16,9 @@
 
 <% if version.issues_count > 0 %>
     <%= progress_bar([version.closed_percent, version.completed_percent],
+                     :titles =>
+                       ["%s: %0.0f%" % [l(:label_closed_issues_plural), version.closed_percent],
+                        "%s: %0.0f%" % [l(:label_done_ratio), version.completed_percent]],
                      :legend => ('%0.0f%' % version.completed_percent)) %>
     <p class="progress-info">
       <%= link_to(l(:label_x_issues, :count => version.issues_count),
Index: config/locales/en.yml
===================================================================
--- config/locales/en.yml	(revision 14972)
+++ config/locales/en.yml	(working copy)
@@ -975,6 +975,7 @@
   label_create_missing_values: Create missing values
   label_api: API
   label_field_format_enumeration: Key/value list
+  label_done_ratio: "Done ratio"
 
   button_login: Login
   button_submit: Submit