-6.54% is the change from 596 to 557
Calculation steps:
[( 557 - 596 ) ÷ 596] x 100 = -6.54%
Formula
Percentage change = [(557 - 596) / 596] x 100
Subtract the new number by the original number
557 - 596 = -39
-39 ÷ 596 = -0.06543624161073826
-0.06543624161073826 x 100 = -6.54%