diff --git a/participation/models.py b/participation/models.py
index a26df3b..e8b0127 100644
--- a/participation/models.py
+++ b/participation/models.py
@@ -924,6 +924,19 @@ class Pool(models.Model):
                     }
                 })
 
+        # Set number format, display only one decimal
+        number_format_ranges = [f"C{max_row + 1}:{getcol(2 + passage_width * pool_size)}{max_row + 1}",
+                                f"C{max_row + 3}:{getcol(2 + passage_width * pool_size)}{max_row + 3}",
+                                f"D{max_row + 6}:D{max_row + 5 + pool_size}",]
+        for number_format_range in number_format_ranges:
+            format_requests.append({
+                "repeatCell": {
+                    "range": a1_range_to_grid_range(number_format_range, worksheet.id),
+                    "cell": {"userEnteredFormat": {"numberFormat": {"type": "NUMBER", "pattern": "0.0"}}},
+                    "fields": "userEnteredFormat.numberFormat",
+                }
+            })
+
         # Remove old protected ranges
         for protected_range in spreadsheet.list_protected_ranges(worksheet.id):
             format_requests.append({