-21.12% is the change from 734 to 579
Calculation steps:
[( 579 - 734 ) ÷ 734] x 100 = -21.12%
Formula
Percentage change = [(579 - 734) / 734] x 100
Subtract the new number by the original number
579 - 734 = -155
-155 ÷ 734 = -0.2111716621253406
-0.2111716621253406 x 100 = -21.12%