26.88% is the change from 439 to 557
Calculation steps:
[( 557 - 439 ) ÷ 439] x 100 = 26.88%
Formula
Percentage change = [(557 - 439) / 439] x 100
Subtract the new number by the original number
557 - 439 = 118
118 ÷ 439 = 0.26879271070615035
0.26879271070615035 x 100 = 26.88%