-21.54% is the change from 571 to 448
Calculation steps:
[( 448 - 571 ) ÷ 571] x 100 = -21.54%
Formula
Percentage change = [(448 - 571) / 571] x 100
Subtract the new number by the original number
448 - 571 = -123
-123 ÷ 571 = -0.21541155866900175
-0.21541155866900175 x 100 = -21.54%