Extract partial

app/views/_tailwind/applications/_address_search.html.erb

@@ -50,14 +50,9 @@
 
     <div class="flex flex-col-reverse items-start justify-between gap-8 pt-4 md:flex-row">
       <div class="max-w-2xl">
-        <p>
-          We currently cover
-          <%= Authority.percentage_population_covered_by_all_active_authorities.to_i %>% of
-          Australia's population within <%= Authority.active.count %> authorities.
-          For this number we're only counting places where the main planning authority is covered.
-          As an example, most of Victoria is covered by the SPEAR system but not all Victorian
-          planning applications go through it. So, we don't include SPEAR in our population count.
-        </p>
+        <%= render "authorities/coverage_explanation",
+                   percentage: Authority.percentage_population_covered_by_all_active_authorities.to_i,
+                   count: Authority.active.count %>
         <p class="pt-4">
           We don't yet cover the whole country, but we are working on it.
           New authorities are being added all the time.

app/views/_tailwind/authorities/_coverage_explanation.html.erb

@@ -0,0 +1,7 @@
+<p class="text-2xl text-navy">
+  We currently cover <%= percentage %>% of Australia's population
+  within <%= count %> authorities.
+  For this number we're only counting places where the main planning authority is covered.
+  As an example, most of Victoria is covered by the SPEAR system but not all Victorian planning
+  applications go through it. So, we don't include SPEAR in our population count.
+</p>

app/views/_tailwind/authorities/index.html.erb

@@ -9,15 +9,9 @@
     <%= render "coverage_percentage" %>
   </div>
   <div class="max-w-2xl">
-    <%# TODO: Extract common partial from this and application search page %>
-    <p class="text-2xl text-navy">
-      We currently cover <%= @percentage_population_covered_by_all_active_authorities %>% of Australia's population
-      within <%= @authority_count %> authorities.
-      For this number we're only counting places where the main planning authority is covered.
-      As an example, most of Victoria is covered by the SPEAR system but not all Victorian planning
-      applications go through it. So, we don't include SPEAR in our population count.
-    </p>
-
+    <%= render "coverage_explanation",
+               percentage: @percentage_population_covered_by_all_active_authorities,
+               count: @authority_count %>
     <p class="mt-4 text-2xl text-navy">
       We don't yet cover the whole country, but we are working on it.
       New authorities are being added all the time, so if your local authority isn't listed below