-9.39% is the change from 511 to 463
Calculation steps:
[( 463 - 511 ) ÷ 511] x 100 = -9.39%
Formula
Percentage change = [(463 - 511) / 511] x 100
Subtract the new number by the original number
463 - 511 = -48
-48 ÷ 511 = -0.09393346379647749
-0.09393346379647749 x 100 = -9.39%