-81.71% is the change from 596 to 109
Calculation steps:
[( 109 - 596 ) ÷ 596] x 100 = -81.71%
Formula
Percentage change = [(109 - 596) / 596] x 100
Subtract the new number by the original number
109 - 596 = -487
-487 ÷ 596 = -0.8171140939597316
-0.8171140939597316 x 100 = -81.71%