As character names:

U+0621 ARABIC LETTER HAMZA character (ء)

As raw characters:

ء

As a string of HTML entities:

ء

Decoder output:

Byte number 1 is decimal 224, hex 0xE0, octal \340, binary 11100000
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 152, hex 0x98, octal \230, binary 10011000
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 161, hex 0xA1, octal \241, binary 10100001
This is continuation byte 2, expecting 0 more.

U+0621	ARABIC LETTER HAMZA
	x (modifier letter right half ring - 02BE)