-68.91% is the change from 579 to 180
Calculation steps:
[( 180 - 579 ) ÷ 579] x 100 = -68.91%
Formula
Percentage change = [(180 - 579) / 579] x 100
Subtract the new number by the original number
180 - 579 = -399
-399 ÷ 579 = -0.689119170984456
-0.689119170984456 x 100 = -68.91%