49.66% is the change from 439 to 657
Calculation steps:
[( 657 - 439 ) ÷ 439] x 100 = 49.66%
Formula
Percentage change = [(657 - 439) / 439] x 100
Subtract the new number by the original number
657 - 439 = 218
218 ÷ 439 = 0.49658314350797267
0.49658314350797267 x 100 = 49.66%