704.69% is the change from 64 to 515
Calculation steps:
[( 515 - 64 ) ÷ 64] x 100 = 704.69%
Formula
Percentage change = [(515 - 64) / 64] x 100
Subtract the new number by the original number
515 - 64 = 451
451 ÷ 64 = 7.046875
7.046875 x 100 = 704.69%