-6.38% is the change from 596 to 558
Calculation steps:
[( 558 - 596 ) ÷ 596] x 100 = -6.38%
Formula
Percentage change = [(558 - 596) / 596] x 100
Subtract the new number by the original number
558 - 596 = -38
-38 ÷ 596 = -0.06375838926174497
-0.06375838926174497 x 100 = -6.38%