-10.51% is the change from 571 to 511
Calculation steps:
[( 511 - 571 ) ÷ 571] x 100 = -10.51%
Formula
Percentage change = [(511 - 571) / 571] x 100
Subtract the new number by the original number
511 - 571 = -60
-60 ÷ 571 = -0.10507880910683012
-0.10507880910683012 x 100 = -10.51%