-39.75% is the change from 976 to 588
Calculation steps:
[( 588 - 976 ) ÷ 976] x 100 = -39.75%
Formula
Percentage change = [(588 - 976) / 976] x 100
Subtract the new number by the original number
588 - 976 = -388
-388 ÷ 976 = -0.3975409836065574
-0.3975409836065574 x 100 = -39.75%