-30.05% is the change from 579 to 405
Calculation steps:
[( 405 - 579 ) ÷ 579] x 100 = -30.05%
Formula
Percentage change = [(405 - 579) / 579] x 100
Subtract the new number by the original number
405 - 579 = -174
-174 ÷ 579 = -0.3005181347150259
-0.3005181347150259 x 100 = -30.05%