As character names:

U+1E8F LATIN SMALL LETTER Y WITH DOT ABOVE character (ẏ)

As raw characters:

ẏ

As a string of HTML entities:

ẏ

Decoder output:

Byte number 1 is decimal 225, hex 0xE1, octal \341, binary 11100001
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 186, hex 0xBA, octal \272, binary 10111010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 143, hex 0x8F, octal \217, binary 10001111
This is continuation byte 2, expecting 0 more.

U+1E8F	LATIN SMALL LETTER Y WITH DOT ABOVE
	: 0079 0307