As character names:

U+0080 <control> character (&#x0080;)

As raw characters:

€

As a string of HTML entities:

&#x0080;

Decoder output:

Byte number 1 is decimal 194, hex 0xC2, octal \302, binary 11000010
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 128, hex 0x80, octal \200, binary 10000000
This is continuation byte 1, expecting 0 more.

U+0080	<control>