As character names:

U+01D8 LATIN SMALL LETTER U WITH DIAERESIS AND ACUTE character (ǘ)

As raw characters:

ǘ

As a string of HTML entities:

ǘ

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

U+01D8	LATIN SMALL LETTER U WITH DIAERESIS AND ACUTE
	* Pinyin second tone
	: 00FC 0301