-5.03% is the change from 596 to 566
Calculation steps:
[( 566 - 596 ) ÷ 596] x 100 = -5.03%
Formula
Percentage change = [(566 - 596) / 596] x 100
Subtract the new number by the original number
566 - 596 = -30
-30 ÷ 596 = -0.050335570469798654
-0.050335570469798654 x 100 = -5.03%