126.96% is the change from 345 to 783
Calculation steps:
[( 783 - 345 ) ÷ 345] x 100 = 126.96%
Formula
Percentage change = [(783 - 345) / 345] x 100
Subtract the new number by the original number
783 - 345 = 438
438 ÷ 345 = 1.2695652173913043
1.2695652173913043 x 100 = 126.96%