-5.48% is the change from 511 to 483
Calculation steps:
[( 483 - 511 ) ÷ 511] x 100 = -5.48%
Formula
Percentage change = [(483 - 511) / 511] x 100
Subtract the new number by the original number
483 - 511 = -28
-28 ÷ 511 = -0.0547945205479452
-0.0547945205479452 x 100 = -5.48%