-27.79% is the change from 583 to 421
Calculation steps:
[( 421 - 583 ) ÷ 583] x 100 = -27.79%
Formula
Percentage change = [(421 - 583) / 583] x 100
Subtract the new number by the original number
421 - 583 = -162
-162 ÷ 583 = -0.27787307032590053
-0.27787307032590053 x 100 = -27.79%