16.63% is the change from 439 to 512
Calculation steps:
[( 512 - 439 ) ÷ 439] x 100 = 16.63%
Formula
Percentage change = [(512 - 439) / 439] x 100
Subtract the new number by the original number
512 - 439 = 73
73 ÷ 439 = 0.1662870159453303
0.1662870159453303 x 100 = 16.63%