-49.29% is the change from 566 to 287
Calculation steps:
[( 287 - 566 ) ÷ 566] x 100 = -49.29%
Formula
Percentage change = [(287 - 566) / 566] x 100
Subtract the new number by the original number
287 - 566 = -279
-279 ÷ 566 = -0.4929328621908127
-0.4929328621908127 x 100 = -49.29%