-92.59% is the change from 580 to 43
Calculation steps:
[( 43 - 580 ) ÷ 580] x 100 = -92.59%
Formula
Percentage change = [(43 - 580) / 580] x 100
Subtract the new number by the original number
43 - 580 = -537
-537 ÷ 580 = -0.9258620689655173
-0.9258620689655173 x 100 = -92.59%