-2.18% is the change from 596 to 583
Calculation steps:
[( 583 - 596 ) ÷ 596] x 100 = -2.18%
Formula
Percentage change = [(583 - 596) / 596] x 100
Subtract the new number by the original number
583 - 596 = -13
-13 ÷ 596 = -0.02181208053691275
-0.02181208053691275 x 100 = -2.18%