-38.34% is the change from 939 to 579
Calculation steps:
[( 579 - 939 ) ÷ 939] x 100 = -38.34%
Formula
Percentage change = [(579 - 939) / 939] x 100
Subtract the new number by the original number
579 - 939 = -360
-360 ÷ 939 = -0.38338658146964855
-0.38338658146964855 x 100 = -38.34%