-86.74% is the change from 596 to 79
Calculation steps:
[( 79 - 596 ) ÷ 596] x 100 = -86.74%
Formula
Percentage change = [(79 - 596) / 596] x 100
Subtract the new number by the original number
79 - 596 = -517
-517 ÷ 596 = -0.8674496644295302
-0.8674496644295302 x 100 = -86.74%