-50.31% is the change from 966 to 480
Calculation steps:
[( 480 - 966 ) ÷ 966] x 100 = -50.31%
Formula
Percentage change = [(480 - 966) / 966] x 100
Subtract the new number by the original number
480 - 966 = -486
-486 ÷ 966 = -0.5031055900621118
-0.5031055900621118 x 100 = -50.31%