As character names:

U+FE2C COMBINING MACRON RIGHT HALF BELOW character (︬)

As raw characters:

︬

As a string of HTML entities:

︬

Decoder output:

Byte number 1 is decimal 240, hex 0xF0, octal \360, binary 11110000
This is the first byte of a 4 byte sequence.

Byte number 2 is decimal 143, hex 0x8F, octal \217, binary 10001111
This is continuation byte 1, expecting 2 more.

Byte number 3 is decimal 184, hex 0xB8, octal \270, binary 10111000
This is continuation byte 2, expecting 1 more.

Byte number 4 is decimal 172, hex 0xAC, octal \254, binary 10101100
This is continuation byte 3, expecting 0 more.

U+FE2C	COMBINING MACRON RIGHT HALF BELOW