-39.93% is the change from 591 to 355
Calculation steps:
[( 355 - 591 ) ÷ 591] x 100 = -39.93%
Formula
Percentage change = [(355 - 591) / 591] x 100
Subtract the new number by the original number
355 - 591 = -236
-236 ÷ 591 = -0.3993231810490694
-0.3993231810490694 x 100 = -39.93%