-39.42% is the change from 959 to 581
Calculation steps:
[( 581 - 959 ) ÷ 959] x 100 = -39.42%
Formula
Percentage change = [(581 - 959) / 959] x 100
Subtract the new number by the original number
581 - 959 = -378
-378 ÷ 959 = -0.39416058394160586
-0.39416058394160586 x 100 = -39.42%