As character names:

U+01D6 LATIN SMALL LETTER U WITH DIAERESIS AND MACRON character (ǖ)

As raw characters:

ǖ

As a string of HTML entities:

ǖ

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 150, hex 0x96, octal \226, binary 10010110
This is continuation byte 1, expecting 0 more.

U+01D6	LATIN SMALL LETTER U WITH DIAERESIS AND MACRON
	* Pinyin first tone
	: 00FC 0304