-34.01% is the change from 591 to 390
Calculation steps:
[( 390 - 591 ) ÷ 591] x 100 = -34.01%
Formula
Percentage change = [(390 - 591) / 591] x 100
Subtract the new number by the original number
390 - 591 = -201
-201 ÷ 591 = -0.3401015228426396
-0.3401015228426396 x 100 = -34.01%