diff --git a/sysprof.c b/sysprof.c
index 9e87341e..c789de2e 100644
--- a/sysprof.c
+++ b/sysprof.c
@@ -1103,7 +1103,8 @@ add_text (GtkTreeView *view,
     for (i = 0; i < indent; ++i)
 	g_string_append_c (info->text, ' ');
     
-    g_string_append_printf (info->text, "%-*s %6.2f %6.2f\n", info->max_width - indent, name, self, cumulative);
+    g_string_append_printf (info->text, "%-*s %6.2f%% %6.2f%%\n",
+			    info->max_width - indent, name, self, cumulative);
 
     g_free (name);
 }