-41.9% is the change from 981 to 570
Calculation steps:
[( 570 - 981 ) ÷ 981] x 100 = -41.9%
Formula
Percentage change = [(570 - 981) / 981] x 100
Subtract the new number by the original number
570 - 981 = -411
-411 ÷ 981 = -0.41896024464831805
-0.41896024464831805 x 100 = -41.9%