-17.69% is the change from 571 to 470
Calculation steps:
[( 470 - 571 ) ÷ 571] x 100 = -17.69%
Formula
Percentage change = [(470 - 571) / 571] x 100
Subtract the new number by the original number
470 - 571 = -101
-101 ÷ 571 = -0.17688266199649738
-0.17688266199649738 x 100 = -17.69%