-34.61% is the change from 471 to 308
Calculation steps:
[( 308 - 471 ) ÷ 471] x 100 = -34.61%
Formula
Percentage change = [(308 - 471) / 471] x 100
Subtract the new number by the original number
308 - 471 = -163
-163 ÷ 471 = -0.346072186836518
-0.346072186836518 x 100 = -34.61%