-51.7% is the change from 1000 to 483
Calculation steps:
[( 483 - 1000 ) ÷ 1000] x 100 = -51.7%
Formula
Percentage change = [(483 - 1000) / 1000] x 100
Subtract the new number by the original number
483 - 1000 = -517
-517 ÷ 1000 = -0.517
-0.517 x 100 = -51.7%