64.5% is the change from 431 to 709
Calculation steps:
[( 709 - 431 ) ÷ 431] x 100 = 64.5%
Formula
Percentage change = [(709 - 431) / 431] x 100
Subtract the new number by the original number
709 - 431 = 278
278 ÷ 431 = 0.6450116009280742
0.6450116009280742 x 100 = 64.5%