389.06% is the change from 64 to 313
Calculation steps:
[( 313 - 64 ) ÷ 64] x 100 = 389.06%
Formula
Percentage change = [(313 - 64) / 64] x 100
Subtract the new number by the original number
313 - 64 = 249
249 ÷ 64 = 3.890625
3.890625 x 100 = 389.06%