Cumulative Distribution of Salaries

Return each employee's name, salary and the percentage of employees earning less than or equal to that salary (cumulative distribution) rounded to two decimals. Order by salary, then name.

Table schema

Employees(id INT PRIMARY KEY, name VARCHAR(50), salary INT)

Sample data

id | name | salary
1 | A | 100
2 | B | 200
3 | C | 200
4 | D | 300