How to display a number as a percent in .NET ?

Answer:

A number with any type i.e., it might be int or double or decimal, it may be displayed as a percent(%) during the output.
It can be displayed likewise as setting the format type value in the ToString() method as shown in the below example.
Example:

decimal dec = 123.554466;

string s = dec.ToString("P2");

Output:

123.55%