-38.13% is the change from 939 to 581
Calculation steps:
[( 581 - 939 ) ÷ 939] x 100 = -38.13%
Formula
Percentage change = [(581 - 939) / 939] x 100
Subtract the new number by the original number
581 - 939 = -358
-358 ÷ 939 = -0.3812566560170394
-0.3812566560170394 x 100 = -38.13%