diff --git a/lib/annotate_rb/model_annotator/column_annotation/column_component.rb b/lib/annotate_rb/model_annotator/column_annotation/column_component.rb
index 87ab45aa..40693480 100644
--- a/lib/annotate_rb/model_annotator/column_annotation/column_component.rb
+++ b/lib/annotate_rb/model_annotator/column_annotation/column_component.rb
@@ -42,7 +42,7 @@ def to_rdoc
 
         def to_yard
           res = ""
-          res += sprintf("# @!attribute #{name}") + "\n"
+          res += "# @!attribute #{name}\n"
 
           ruby_class = if @column.respond_to?(:array) && @column.array
             "Array<#{map_col_type_to_ruby_classes(type)}>"
@@ -50,7 +50,7 @@ def to_yard
             map_col_type_to_ruby_classes(type)
           end
 
-          res += sprintf("#   @return [#{ruby_class}]")
+          res += "#   @return [#{ruby_class}]"
 
           res
         end
diff --git a/spec/lib/annotate_rb/model_annotator/column_annotation/annotation_builder_spec.rb b/spec/lib/annotate_rb/model_annotator/column_annotation/annotation_builder_spec.rb
index 0fdcaeb6..de4da60b 100644
--- a/spec/lib/annotate_rb/model_annotator/column_annotation/annotation_builder_spec.rb
+++ b/spec/lib/annotate_rb/model_annotator/column_annotation/annotation_builder_spec.rb
@@ -566,6 +566,20 @@
           is_expected.to eq(expected_result)
         end
 
+        context "when the comment includes a percent sign" do
+          let(:column) { mock_column("id", :integer, comment: "100% complete") }
+          let(:expected_result) do
+            <<~COLUMN.strip
+              # @!attribute id(100% complete)
+              #   @return [Integer]
+            COLUMN
+          end
+
+          it "returns the column annotation" do
+            is_expected.to eq(expected_result)
+          end
+        end
+
         context "when position of column comment is set to `rightmost_column`" do
           let(:position_of_column_comment) { :rightmost_column }
           it {