99.08% is the change from 434 to 864
Calculation steps:
[( 864 - 434 ) ÷ 434] x 100 = 99.08%
Formula
Percentage change = [(864 - 434) / 434] x 100
Subtract the new number by the original number
864 - 434 = 430
430 ÷ 434 = 0.9907834101382489
0.9907834101382489 x 100 = 99.08%