-24.88% is the change from 643 to 483
Calculation steps:
[( 483 - 643 ) ÷ 643] x 100 = -24.88%
Formula
Percentage change = [(483 - 643) / 643] x 100
Subtract the new number by the original number
483 - 643 = -160
-160 ÷ 643 = -0.24883359253499224
-0.24883359253499224 x 100 = -24.88%