-34.18% is the change from 471 to 310
Calculation steps:
[( 310 - 471 ) ÷ 471] x 100 = -34.18%
Formula
Percentage change = [(310 - 471) / 471] x 100
Subtract the new number by the original number
310 - 471 = -161
-161 ÷ 471 = -0.34182590233545646
-0.34182590233545646 x 100 = -34.18%