-81.68% is the change from 595 to 109
Calculation steps:
[( 109 - 595 ) ÷ 595] x 100 = -81.68%
Formula
Percentage change = [(109 - 595) / 595] x 100
Subtract the new number by the original number
109 - 595 = -486
-486 ÷ 595 = -0.8168067226890756
-0.8168067226890756 x 100 = -81.68%