-3.4% is the change from 500 to 483
Calculation steps:
[( 483 - 500 ) ÷ 500] x 100 = -3.4%
Formula
Percentage change = [(483 - 500) / 500] x 100
Subtract the new number by the original number
483 - 500 = -17
-17 ÷ 500 = -0.034
-0.034 x 100 = -3.4%
Example