-34.4% is the change from 596 to 391
Calculation steps:
[( 391 - 596 ) ÷ 596] x 100 = -34.4%
Formula
Percentage change = [(391 - 596) / 596] x 100
Subtract the new number by the original number
391 - 596 = -205
-205 ÷ 596 = -0.34395973154362414
-0.34395973154362414 x 100 = -34.4%