-47.68% is the change from 583 to 305
Calculation steps:
[( 305 - 583 ) ÷ 583] x 100 = -47.68%
Formula
Percentage change = [(305 - 583) / 583] x 100
Subtract the new number by the original number
305 - 583 = -278
-278 ÷ 583 = -0.47684391080617494
-0.47684391080617494 x 100 = -47.68%