-48.98% is the change from 976 to 498
Calculation steps:
[( 498 - 976 ) ÷ 976] x 100 = -48.98%
Formula
Percentage change = [(498 - 976) / 976] x 100
Subtract the new number by the original number
498 - 976 = -478
-478 ÷ 976 = -0.48975409836065575
-0.48975409836065575 x 100 = -48.98%