54.21% is the change from 439 to 677
Calculation steps:
[( 677 - 439 ) ÷ 439] x 100 = 54.21%
Formula
Percentage change = [(677 - 439) / 439] x 100
Subtract the new number by the original number
677 - 439 = 238
238 ÷ 439 = 0.5421412300683371
0.5421412300683371 x 100 = 54.21%