-90.62% is the change from 597 to 56
Calculation steps:
[( 56 - 597 ) ÷ 597] x 100 = -90.62%
Formula
Percentage change = [(56 - 597) / 597] x 100
Subtract the new number by the original number
56 - 597 = -541
-541 ÷ 597 = -0.9061976549413735
-0.9061976549413735 x 100 = -90.62%