-40.89% is the change from 966 to 571
Calculation steps:
[( 571 - 966 ) ÷ 966] x 100 = -40.89%
Formula
Percentage change = [(571 - 966) / 966] x 100
Subtract the new number by the original number
571 - 966 = -395
-395 ÷ 966 = -0.40890269151138714
-0.40890269151138714 x 100 = -40.89%