-73.23% is the change from 579 to 155
Calculation steps:
[( 155 - 579 ) ÷ 579] x 100 = -73.23%
Formula
Percentage change = [(155 - 579) / 579] x 100
Subtract the new number by the original number
155 - 579 = -424
-424 ÷ 579 = -0.7322970639032815
-0.7322970639032815 x 100 = -73.23%