126.74% is the change from 344 to 780
Calculation steps:
[( 780 - 344 ) ÷ 344] x 100 = 126.74%
Formula
Percentage change = [(780 - 344) / 344] x 100
Subtract the new number by the original number
780 - 344 = 436
436 ÷ 344 = 1.2674418604651163
1.2674418604651163 x 100 = 126.74%