587.5% is the change from 64 to 440
Calculation steps:
[( 440 - 64 ) ÷ 64] x 100 = 587.5%
Formula
Percentage change = [(440 - 64) / 64] x 100
Subtract the new number by the original number
440 - 64 = 376
376 ÷ 64 = 5.875
5.875 x 100 = 587.5%
Example