70.62% is the change from 439 to 749
Calculation steps:
[( 749 - 439 ) ÷ 439] x 100 = 70.62%
Formula
Percentage change = [(749 - 439) / 439] x 100
Subtract the new number by the original number
749 - 439 = 310
310 ÷ 439 = 0.7061503416856492
0.7061503416856492 x 100 = 70.62%