-2.1% is the change from 571 to 559
Calculation steps:
[( 559 - 571 ) ÷ 571] x 100 = -2.1%
Formula
Percentage change = [(559 - 571) / 571] x 100
Subtract the new number by the original number
559 - 571 = -12
-12 ÷ 571 = -0.021015761821366025
-0.021015761821366025 x 100 = -2.1%