Encoding of a character consists of a "%" symbol, followed by the two-digit hexadecimal representation (case-insensitive) of the ISO-Latin code point for the character.

Character                               Code(Hex)
 Dollar ("$")                               24
 Ampersand ("&")                       26
 Plus ("+")                                 2B
 Comma (",")                             2C
 Forward slash/Virgule ("/")         2F
 Colon (":")                                3A
 Semi-colon (";")                        3B
 Equals ("=")                              3D
 Question mark ("?")                   3F
 'At' symbol ("@")                       40