-15.6% is the change from 596 to 503
Calculation steps:
[( 503 - 596 ) ÷ 596] x 100 = -15.6%
Formula
Percentage change = [(503 - 596) / 596] x 100
Subtract the new number by the original number
503 - 596 = -93
-93 ÷ 596 = -0.15604026845637584
-0.15604026845637584 x 100 = -15.6%