-35.24% is the change from 471 to 305
Calculation steps:
[( 305 - 471 ) ÷ 471] x 100 = -35.24%
Formula
Percentage change = [(305 - 471) / 471] x 100
Subtract the new number by the original number
305 - 471 = -166
-166 ÷ 471 = -0.3524416135881104
-0.3524416135881104 x 100 = -35.24%