-49.69% is the change from 966 to 486
Calculation steps:
[( 486 - 966 ) ÷ 966] x 100 = -49.69%
Formula
Percentage change = [(486 - 966) / 966] x 100
Subtract the new number by the original number
486 - 966 = -480
-480 ÷ 966 = -0.4968944099378882
-0.4968944099378882 x 100 = -49.69%