-27.96% is the change from 583 to 420
Calculation steps:
[( 420 - 583 ) ÷ 583] x 100 = -27.96%
Formula
Percentage change = [(420 - 583) / 583] x 100
Subtract the new number by the original number
420 - 583 = -163
-163 ÷ 583 = -0.27958833619210977
-0.27958833619210977 x 100 = -27.96%