79.5% is the change from 439 to 788
Calculation steps:
[( 788 - 439 ) ÷ 439] x 100 = 79.5%
Formula
Percentage change = [(788 - 439) / 439] x 100
Subtract the new number by the original number
788 - 439 = 349
349 ÷ 439 = 0.7949886104783599
0.7949886104783599 x 100 = 79.5%