-49.65% is the change from 566 to 285
Calculation steps:
[( 285 - 566 ) ÷ 566] x 100 = -49.65%
Formula
Percentage change = [(285 - 566) / 566] x 100
Subtract the new number by the original number
285 - 566 = -281
-281 ÷ 566 = -0.49646643109540634
-0.49646643109540634 x 100 = -49.65%