Update app.py

app.py

@@ -532,7 +532,13 @@ def server(input, output, session):
         # Step 2: Format the columns with (value (+diff)) - exclude brackets if diff is 80
         df_merge = df_merge.with_columns([
             pl.when(pl.col(new + "_diff").eq(10000))  # If diff is 80, no need to include brackets
-            .then((pl.col(new)*100).round(1).map_elements(lambda x: f"{x:.1f}%").cast(pl.Utf8)+'\n\t')  # Just return the new value as string
+            .then(
+                (pl.col(new)*100).round(1).map_elements(lambda x: f"{x:.1f}%").cast(pl.Utf8) + 
+                "\n(" + 
+                (pl.col(new)*100).round(1)
+                    .map_elements(lambda x: f"{x:+.1f}%") + 
+                ")"
+            )
             .otherwise(
                 (pl.col(new)*100).round(1).map_elements(lambda x: f"{x:.1f}%").cast(pl.Utf8) + 
                 "\n(" +