-33.05% is the change from 596 to 399
Calculation steps:
[( 399 - 596 ) ÷ 596] x 100 = -33.05%
Formula
Percentage change = [(399 - 596) / 596] x 100
Subtract the new number by the original number
399 - 596 = -197
-197 ÷ 596 = -0.33053691275167785
-0.33053691275167785 x 100 = -33.05%