128.7% is the change from 345 to 789
Calculation steps:
[( 789 - 345 ) ÷ 345] x 100 = 128.7%
Formula
Percentage change = [(789 - 345) / 345] x 100
Subtract the new number by the original number
789 - 345 = 444
444 ÷ 345 = 1.2869565217391303
1.2869565217391303 x 100 = 128.7%