-47.77% is the change from 584 to 305
Calculation steps:
[( 305 - 584 ) ÷ 584] x 100 = -47.77%
Formula
Percentage change = [(305 - 584) / 584] x 100
Subtract the new number by the original number
305 - 584 = -279
-279 ÷ 584 = -0.4777397260273973
-0.4777397260273973 x 100 = -47.77%