-51.02% is the change from 976 to 478
Calculation steps:
[( 478 - 976 ) ÷ 976] x 100 = -51.02%
Formula
Percentage change = [(478 - 976) / 976] x 100
Subtract the new number by the original number
478 - 976 = -498
-498 ÷ 976 = -0.5102459016393442
-0.5102459016393442 x 100 = -51.02%