diff --git a/caimira/apps/calculator/report_generator.py b/caimira/apps/calculator/report_generator.py
index f09f16ea..3b44904b 100644
--- a/caimira/apps/calculator/report_generator.py
+++ b/caimira/apps/calculator/report_generator.py
@@ -346,8 +346,8 @@ def non_zero_percentage(percentage: int) -> str:
         return "<0.01%"
     elif percentage < 1:
         return "{:0.2f}%".format(percentage)
-    elif np.isnan(percentage):
-        return "99.9%"
+    elif percentage > 99.9 or np.isnan(percentage):
+        return ">99.9%"
     else:
         return "{:0.1f}%".format(percentage)