diff --git a/examples/downloader.py b/examples/downloader.py
index ceba2c7d..172f4286 100644
--- a/examples/downloader.py
+++ b/examples/downloader.py
@@ -8,7 +8,7 @@ from urllib.request import urlopen
 from rich.progress import bar_widget, Progress, TaskID
 
 
-progress = Progress(bar_widget, "{task.percentage:0.1f}%", "{task.fields[filename]}")
+progress = Progress(bar_widget, "{task.percentage:>3.0f}%", "{task.fields[filename]}")
 
 
 def copy_url(task_id: TaskID, url: str, path: str) -> None:
diff --git a/rich/progress.py b/rich/progress.py
index 99c14600..e2fda726 100644
--- a/rich/progress.py
+++ b/rich/progress.py
@@ -141,6 +141,7 @@ class Progress:
                 task.completed = completed
             if visible is not None:
                 task.visible = True
+            task.fields.update(fields)
 
     def refresh(self) -> None:
         """Refresh (render) the progress information."""
diff --git a/rich/table.py b/rich/table.py
index f65b53ab..363e5dc5 100644
--- a/rich/table.py
+++ b/rich/table.py
@@ -457,7 +457,7 @@ class Table:
             yield new_line
 
 
-if __name__ == "__main__":  # pragma: no cover
+if __name__ == "__main__":
     from .console import Console
 
     c = Console(width=80)