-14.26% is the change from 666 to 571
Calculation steps:
[( 571 - 666 ) ÷ 666] x 100 = -14.26%
Formula
Percentage change = [(571 - 666) / 666] x 100
Subtract the new number by the original number
571 - 666 = -95
-95 ÷ 666 = -0.14264264264264265
-0.14264264264264265 x 100 = -14.26%