-92.57% is the change from 579 to 43
Calculation steps:
[( 43 - 579 ) ÷ 579] x 100 = -92.57%
Formula
Percentage change = [(43 - 579) / 579] x 100
Subtract the new number by the original number
43 - 579 = -536
-536 ÷ 579 = -0.92573402417962
-0.92573402417962 x 100 = -92.57%