-6.53% is the change from 597 to 558
Calculation steps:
[( 558 - 597 ) ÷ 597] x 100 = -6.53%
Formula
Percentage change = [(558 - 597) / 597] x 100
Subtract the new number by the original number
558 - 597 = -39
-39 ÷ 597 = -0.06532663316582915
-0.06532663316582915 x 100 = -6.53%