-20.79% is the change from 731 to 579
Calculation steps:
[( 579 - 731 ) ÷ 731] x 100 = -20.79%
Formula
Percentage change = [(579 - 731) / 731] x 100
Subtract the new number by the original number
579 - 731 = -152
-152 ÷ 731 = -0.2079343365253078
-0.2079343365253078 x 100 = -20.79%