-28.38% is the change from 814 to 583
Calculation steps:
[( 583 - 814 ) ÷ 814] x 100 = -28.38%
Formula
Percentage change = [(583 - 814) / 814] x 100
Subtract the new number by the original number
583 - 814 = -231
-231 ÷ 814 = -0.28378378378378377
-0.28378378378378377 x 100 = -28.38%