-50.82% is the change from 976 to 480
Calculation steps:
[( 480 - 976 ) ÷ 976] x 100 = -50.82%
Formula
Percentage change = [(480 - 976) / 976] x 100
Subtract the new number by the original number
480 - 976 = -496
-496 ÷ 976 = -0.5081967213114754
-0.5081967213114754 x 100 = -50.82%