As character names:

U+23F4 BLACK MEDIUM LEFT-POINTING TRIANGLE character (⏴)

As raw characters:

⏴

As a string of HTML entities:

⏴

Decoder output:

Byte number 1 is decimal 226, hex 0xE2, octal \342, binary 11100010
This is the first byte of a 3 byte sequence.

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

Byte number 3 is decimal 180, hex 0xB4, octal \264, binary 10110100
This is continuation byte 2, expecting 0 more.

U+23F4	BLACK MEDIUM LEFT-POINTING TRIANGLE
	= reverse, back
	* preferred to 25C0 black left-pointing triangle
	x (black medium left-pointing triangle centred - 2BC7)
	x (black left-pointing isosceles right triangle - 1F780)