-40.56% is the change from 959 to 570
Calculation steps:
[( 570 - 959 ) ÷ 959] x 100 = -40.56%
Formula
Percentage change = [(570 - 959) / 959] x 100
Subtract the new number by the original number
570 - 959 = -389
-389 ÷ 959 = -0.4056308654848801
-0.4056308654848801 x 100 = -40.56%