71.2% is the change from 434 to 743
Calculation steps:
[( 743 - 434 ) ÷ 434] x 100 = 71.2%
Formula
Percentage change = [(743 - 434) / 434] x 100
Subtract the new number by the original number
743 - 434 = 309
309 ÷ 434 = 0.7119815668202765
0.7119815668202765 x 100 = 71.2%