-40.27% is the change from 976 to 583
Calculation steps:
[( 583 - 976 ) ÷ 976] x 100 = -40.27%
Formula
Percentage change = [(583 - 976) / 976] x 100
Subtract the new number by the original number
583 - 976 = -393
-393 ÷ 976 = -0.4026639344262295
-0.4026639344262295 x 100 = -40.27%