19.36% is the change from 439 to 524
Calculation steps:
[( 524 - 439 ) ÷ 439] x 100 = 19.36%
Formula
Percentage change = [(524 - 439) / 439] x 100
Subtract the new number by the original number
524 - 439 = 85
85 ÷ 439 = 0.19362186788154898
0.19362186788154898 x 100 = 19.36%