-97.82% is the change from 596 to 13
Calculation steps:
[( 13 - 596 ) ÷ 596] x 100 = -97.82%
Formula
Percentage change = [(13 - 596) / 596] x 100
Subtract the new number by the original number
13 - 596 = -583
-583 ÷ 596 = -0.9781879194630873
-0.9781879194630873 x 100 = -97.82%