501.56% is the change from 64 to 385
Calculation steps:
[( 385 - 64 ) ÷ 64] x 100 = 501.56%
Formula
Percentage change = [(385 - 64) / 64] x 100
Subtract the new number by the original number
385 - 64 = 321
321 ÷ 64 = 5.015625
5.015625 x 100 = 501.56%