578.13% is the change from 64 to 434
Calculation steps:
[( 434 - 64 ) ÷ 64] x 100 = 578.13%
Formula
Percentage change = [(434 - 64) / 64] x 100
Subtract the new number by the original number
434 - 64 = 370
370 ÷ 64 = 5.78125
5.78125 x 100 = 578.13%
Example