128.36% is the change from 342 to 781
Calculation steps:
[( 781 - 342 ) ÷ 342] x 100 = 128.36%
Formula
Percentage change = [(781 - 342) / 342] x 100
Subtract the new number by the original number
781 - 342 = 439
439 ÷ 342 = 1.2836257309941521
1.2836257309941521 x 100 = 128.36%