-47.51% is the change from 583 to 306
Calculation steps:
[( 306 - 583 ) ÷ 583] x 100 = -47.51%
Formula
Percentage change = [(306 - 583) / 583] x 100
Subtract the new number by the original number
306 - 583 = -277
-277 ÷ 583 = -0.4751286449399657
-0.4751286449399657 x 100 = -47.51%