As character names:

U+01EC LATIN CAPITAL LETTER O WITH OGONEK AND MACRON character (Ǭ)

As raw characters:

Ǭ

As a string of HTML entities:

Ǭ

Decoder output:

Byte number 1 is decimal 199, hex 0xC7, octal \307, binary 11000111
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 172, hex 0xAC, octal \254, binary 10101100
This is continuation byte 1, expecting 0 more.

U+01EC	LATIN CAPITAL LETTER O WITH OGONEK AND MACRON
	: 01EA 0304