-90.6% is the change from 596 to 56
Calculation steps:
[( 56 - 596 ) ÷ 596] x 100 = -90.6%
Formula
Percentage change = [(56 - 596) / 596] x 100
Subtract the new number by the original number
56 - 596 = -540
-540 ÷ 596 = -0.9060402684563759
-0.9060402684563759 x 100 = -90.6%