-37.06% is the change from 939 to 591
Calculation steps:
[( 591 - 939 ) ÷ 939] x 100 = -37.06%
Formula
Percentage change = [(591 - 939) / 939] x 100
Subtract the new number by the original number
591 - 939 = -348
-348 ÷ 939 = -0.3706070287539936
-0.3706070287539936 x 100 = -37.06%