102.96% is the change from 439 to 891
Calculation steps:
[( 891 - 439 ) ÷ 439] x 100 = 102.96%
Formula
Percentage change = [(891 - 439) / 439] x 100
Subtract the new number by the original number
891 - 439 = 452
452 ÷ 439 = 1.029612756264237
1.029612756264237 x 100 = 102.96%