-17.51% is the change from 571 to 471
Calculation steps:
[( 471 - 571 ) ÷ 571] x 100 = -17.51%
Formula
Percentage change = [(471 - 571) / 571] x 100
Subtract the new number by the original number
471 - 571 = -100
-100 ÷ 571 = -0.17513134851138354
-0.17513134851138354 x 100 = -17.51%