-3.25% is the change from 616 to 596
Calculation steps:
[( 596 - 616 ) ÷ 616] x 100 = -3.25%
Formula
Percentage change = [(596 - 616) / 616] x 100
Subtract the new number by the original number
596 - 616 = -20
-20 ÷ 616 = -0.032467532467532464
-0.032467532467532464 x 100 = -3.25%