-93.14% is the change from 583 to 40
Calculation steps:
[( 40 - 583 ) ÷ 583] x 100 = -93.14%
Formula
Percentage change = [(40 - 583) / 583] x 100
Subtract the new number by the original number
40 - 583 = -543
-543 ÷ 583 = -0.9313893653516295
-0.9313893653516295 x 100 = -93.14%