Sale * 100 / (SELECT SUM(sale) AS s FROM sales) AS `percent of total` You can also calculate percentage of column using a subselect, instead of using a JOIN, as shown below. How to Calculate Percentage of Column in MySQL using SUBSELECT/SUBQUERY SELECT Rep, Sale, Sale * 100 / t.s AS `percent of total`ĬROSS JOIN (SELECT SUM(sale) AS s FROM sales where Rep'Bob') tīonus Read : How to Calculate Percentage Growth Week Over Week in MySQL Let’s say, you want to exclude Bob from the total itself, then here’s a query to do it. However, if you want to add where clause during totaling of column, you need to add it in the select clause of total, as shown below. SELECT Rep, Sale, Sale * 100 / t.s AS `percent of total`ĬROSS JOIN (SELECT SUM(sale) AS s FROM sales) t where Rep='Bob' If you want to add a where clause to filter your data, you need to place it after the CROSS JOIN, as shown below. SELECT Rep, Sale, Sale * 100 / t.s AS `percent of total`ĬROSS JOIN (SELECT SUM(sale) AS s FROM sales) t To calculate percentage of column in MySQL, you can simply cross join the sum() of sale column with the original table. How to Calculate Percentage of Column in MySQL using CROSS JOIN Let’s look at each of themīonus Read : How to Calculate Percentage of Two Columns in MySQL There’s no need to write separate queries for calculating total and percentage. You can do this in multiple ways using just a single query. Let’s say you want to display a column ‘percent of total’ which is simply the percent of total sale column, as shown below. mysql> create table sales(rep varchar(255),sale int) Let’s say you have the following table as shown below. How to Calculate Percentage of Column in MySQL Here’s how to calculate percentage of column in MySQL Since there is no out-of-the-box function to calculate this value, you need to write a SQL query for it. We offer a 14-day free trial.Sometimes you may need to calculate percentage of a column (e.g sales, revenue) in your data to understand what percent of your column’s total value is coming from each row (e.g country, state, etc). If you want to create charts, dashboards & reports from MySQL database, you can try Ubiq. Here’s an example of a table with above data, created using Ubiq. You can also use a reporting tool to plot this data on a table or dashboard and share it with your team. You can customize the above query to calculate percentage of two columns, as per your requirement. | sales_rep | sale | sale2 | sale3 | sale_pct | sale2_pct | sale3_pct | mysql> select sales_rep,sale, sale2,sale3, Then you can calculate percent of each column by totaling their values on the fly, as shown below. Mysql> insert into sales(sales_rep,sale,sale2,sale3) If your total data is spread across multiple columns, as shown below, mysql> create table sales(sales_rep varchar(255),sale int, sale2 int,sale3 int) ,round((sale/goal)*100,2) as attainment_percentīonus Read : How to Calculate Moving Average in MySQL If you want to calculate percentage of two columns only for specific rows, add WHERE clause as shown below in bold mysql> select sales_rep,sale,goal Round((sale/goal)*100,2) as attainment_percent from sales If you want to round the percent numbers to 2 decimal places, you can use the ROUND function as shown mysql> select sales_rep,sale,goal, | sales_rep | sale | goal | attainment_percent |īonus Read : How to Automate Pivot Table Queries in MySQL (sale/goal)*100 as attainment_percent from sales You can directly calculate it on the fly using division and multiplication operators, as shown below. Here’s the SQL query to calculate percentage of two columns (sale, goal). Let’s say you want to calculate attainment_percent as sale/goal*100 for each sales rep. Mysql> insert into sales(sales_rep,sale,goal) Mysql> create table sales(sales_rep varchar(255),sale int, goal int) Let’s say you have the following table – sales(sales_rep,sale,goal) Here are the SQL to calculate percentage of two columns in MySQL. How to Calculate Percentage of Two Columns in MySQL Here’s how to easily calculate percentage of two columns in MySQL. Sometimes you may need to simply calculate a percentage of two columns in MySQL databases.
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