diff --git a/netbox/dcim/models/racks.py b/netbox/dcim/models/racks.py
index 082ecfe57..9413d834e 100644
--- a/netbox/dcim/models/racks.py
+++ b/netbox/dcim/models/racks.py
@@ -412,7 +412,7 @@ class Rack(PrimaryModel):
                 available_units.remove(u)
 
         occupied_unit_count = self.u_height - len(available_units)
-        percentage = int(float(occupied_unit_count) / self.u_height * 100)
+        percentage = float(occupied_unit_count) / self.u_height * 100
 
         return percentage
 
diff --git a/netbox/ipam/models/ip.py b/netbox/ipam/models/ip.py
index 81c3ef34a..7d9937c1b 100644
--- a/netbox/ipam/models/ip.py
+++ b/netbox/ipam/models/ip.py
@@ -248,7 +248,7 @@ class Aggregate(GetAvailablePrefixesMixin, PrimaryModel):
         """
         queryset = Prefix.objects.filter(prefix__net_contained_or_equal=str(self.prefix))
         child_prefixes = netaddr.IPSet([p.prefix for p in queryset])
-        utilization = int(float(child_prefixes.size) / self.prefix.size * 100)
+        utilization = float(child_prefixes.size) / self.prefix.size * 100
 
         return min(utilization, 100)
 
@@ -548,7 +548,7 @@ class Prefix(GetAvailablePrefixesMixin, PrimaryModel):
                 vrf=self.vrf
             )
             child_prefixes = netaddr.IPSet([p.prefix for p in queryset])
-            utilization = int(float(child_prefixes.size) / self.prefix.size * 100)
+            utilization = float(child_prefixes.size) / self.prefix.size * 100
         else:
             # Compile an IPSet to avoid counting duplicate IPs
             child_ips = netaddr.IPSet(
@@ -558,7 +558,7 @@ class Prefix(GetAvailablePrefixesMixin, PrimaryModel):
             prefix_size = self.prefix.size
             if self.prefix.version == 4 and self.prefix.prefixlen < 31 and not self.is_pool:
                 prefix_size -= 2
-            utilization = int(float(child_ips.size) / prefix_size * 100)
+            utilization = float(child_ips.size) / prefix_size * 100
 
         return min(utilization, 100)
 
diff --git a/netbox/utilities/templates/helpers/utilization_graph.html b/netbox/utilities/templates/helpers/utilization_graph.html
index fe1c0fc9a..afdd670fd 100644
--- a/netbox/utilities/templates/helpers/utilization_graph.html
+++ b/netbox/utilities/templates/helpers/utilization_graph.html
@@ -12,10 +12,10 @@
       class="progress-bar {{ bar_class }}"
       style="width: {{ utilization }}%;"
     >
-      {% if utilization >= 25 %}{{ utilization }}%{% endif %}
+      {% if utilization >= 25 %}{{ utilization|floatformat:-2 }}%{% endif %}
     </div>
     {% if utilization < 25 %}
-      <span class="ps-1">{{ utilization }}%</span>
+      <span class="ps-1">{{ utilization|floatformat:-2 }}%</span>
     {% endif %}
   </div>
 {% endif %}
diff --git a/netbox/utilities/templatetags/helpers.py b/netbox/utilities/templatetags/helpers.py
index 0e45cb581..cff3428c0 100644
--- a/netbox/utilities/templatetags/helpers.py
+++ b/netbox/utilities/templatetags/helpers.py
@@ -389,7 +389,9 @@ def utilization_graph(utilization, warning_threshold=75, danger_threshold=90):
     """
     Display a horizontal bar graph indicating a percentage of utilization.
     """
-    if danger_threshold and utilization >= danger_threshold:
+    if utilization == 100:
+        bar_class = 'bg-secondary'
+    elif danger_threshold and utilization >= danger_threshold:
         bar_class = 'bg-danger'
     elif warning_threshold and utilization >= warning_threshold:
         bar_class = 'bg-warning'