-34.31% is the change from 478 to 314
Calculation steps:
[( 314 - 478 ) ÷ 478] x 100 = -34.31%
Formula
Percentage change = [(314 - 478) / 478] x 100
Subtract the new number by the original number
314 - 478 = -164
-164 ÷ 478 = -0.34309623430962344
-0.34309623430962344 x 100 = -34.31%