129.71% is the change from 340 to 781
Calculation steps:
[( 781 - 340 ) ÷ 340] x 100 = 129.71%
Formula
Percentage change = [(781 - 340) / 340] x 100
Subtract the new number by the original number
781 - 340 = 441
441 ÷ 340 = 1.2970588235294118
1.2970588235294118 x 100 = 129.71%