-73.32% is the change from 596 to 159
Calculation steps:
[( 159 - 596 ) ÷ 596] x 100 = -73.32%
Formula
Percentage change = [(159 - 596) / 596] x 100
Subtract the new number by the original number
159 - 596 = -437
-437 ÷ 596 = -0.7332214765100671
-0.7332214765100671 x 100 = -73.32%