19.82% is the change from 439 to 526
Calculation steps:
[( 526 - 439 ) ÷ 439] x 100 = 19.82%
Formula
Percentage change = [(526 - 439) / 439] x 100
Subtract the new number by the original number
526 - 439 = 87
87 ÷ 439 = 0.19817767653758542
0.19817767653758542 x 100 = 19.82%