129.74% is the change from 343 to 788
Calculation steps:
[( 788 - 343 ) ÷ 343] x 100 = 129.74%
Formula
Percentage change = [(788 - 343) / 343] x 100
Subtract the new number by the original number
788 - 343 = 445
445 ÷ 343 = 1.2973760932944607
1.2973760932944607 x 100 = 129.74%