As character names:

U+27E7 MATHEMATICAL RIGHT WHITE SQUARE BRACKET 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 159, hex 0x9F, octal \237, binary 10011111
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 167, hex 0xA7, octal \247, binary 10100111
This is continuation byte 2, expecting 0 more.

U+27E7	MATHEMATICAL RIGHT WHITE SQUARE BRACKET
	= z notation right bag bracket
	x (right white square bracket - 301B)