257.81% is the change from 64 to 229
Calculation steps:
[( 229 - 64 ) ÷ 64] x 100 = 257.81%
Formula
Percentage change = [(229 - 64) / 64] x 100
Subtract the new number by the original number
229 - 64 = 165
165 ÷ 64 = 2.578125
2.578125 x 100 = 257.81%