Convert the Radian Measure to Degrees $- \frac { 47 } { 18 } \pi$

Convert the radian measure to degrees. Round to the nearest hundredth if necessary.
- $- \frac { 47 } { 18 } \pi$

A) $- 8.2 ^ { \circ }$
B) $- 940 \pi ^ { \circ }$
C) $- 470 ^ { \circ }$
D) $- 235 ^ { \circ }$