304.69% is the change from 64 to 259
Calculation steps:
[( 259 - 64 ) ÷ 64] x 100 = 304.69%
Formula
Percentage change = [(259 - 64) / 64] x 100
Subtract the new number by the original number
259 - 64 = 195
195 ÷ 64 = 3.046875
3.046875 x 100 = 304.69%