-2.77% is the change from 613 to 596
Calculation steps:
[( 596 - 613 ) ÷ 613] x 100 = -2.77%
Formula
Percentage change = [(596 - 613) / 613] x 100
Subtract the new number by the original number
596 - 613 = -17
-17 ÷ 613 = -0.02773246329526917
-0.02773246329526917 x 100 = -2.77%