class CreatePercentages < ActiveRecord::Migration
  def change
    create_table :percentages do |t|
      t.integer :percent

      t.timestamps null: false
    end
  end
end

class CreatePercentages < ActiveRecord::Migration
  def change
    create_table :percentages do |t|
      t.integer :percentage

      t.timestamps null: false
    end
  end
end

--- 
+++ 
@@ -1,7 +1,7 @@
 class CreatePercentages < ActiveRecord::Migration
   def change
     create_table :percentages do |t|
-      t.integer :percentage
+      t.integer :percent
 
       t.timestamps null: false
     end
Update column name on percentages table
