As character names:

U+22BE RIGHT ANGLE WITH ARC 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 138, hex 0x8A, octal \212, binary 10001010
This is continuation byte 1, expecting 1 more.

Byte number 3 is decimal 190, hex 0xBE, octal \276, binary 10111110
This is continuation byte 2, expecting 0 more.

U+22BE	RIGHT ANGLE WITH ARC