As character names:

U+022A LATIN CAPITAL LETTER O WITH DIAERESIS AND MACRON character (Ȫ)

As raw characters:

Ȫ

As a string of HTML entities:

Ȫ

Decoder output:

Byte number 1 is decimal 200, hex 0xC8, octal \310, binary 11001000
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 170, hex 0xAA, octal \252, binary 10101010
This is continuation byte 1, expecting 0 more.

U+022A	LATIN CAPITAL LETTER O WITH DIAERESIS AND MACRON
	: 00D6 0304