-50% is the change from 966 to 483
Calculation steps:
[( 483 - 966 ) ÷ 966] x 100 = -50%
Formula
Percentage change = [(483 - 966) / 966] x 100
Subtract the new number by the original number
483 - 966 = -483
-483 ÷ 966 = -0.5
-0.5 x 100 = -50%
Example