-50.95% is the change from 581 to 285
Calculation steps:
[( 285 - 581 ) ÷ 581] x 100 = -50.95%
Formula
Percentage change = [(285 - 581) / 581] x 100
Subtract the new number by the original number
285 - 581 = -296
-296 ÷ 581 = -0.5094664371772806
-0.5094664371772806 x 100 = -50.95%