As character names:

U+31EF IDEOGRAPHIC DESCRIPTION CHARACTER SUBTRACTION character (㇯)

As raw characters:

㇯

As a string of HTML entities:

㇯

Decoder output:

Byte number 1 is decimal 227, hex 0xE3, octal \343, binary 11100011
This is the first byte of a 3 byte sequence.

Byte number 2 is decimal 135, hex 0x87, octal \207, binary 10000111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 175, hex 0xAF, octal \257, binary 10101111
This is continuation byte 2, expecting 0 more.

U+31EF	IDEOGRAPHIC DESCRIPTION CHARACTER SUBTRACTION
	* used to describe a character or a component with a stroke (or other component) removed