240.63% is the change from 64 to 218
Calculation steps:
[( 218 - 64 ) ÷ 64] x 100 = 240.63%
Formula
Percentage change = [(218 - 64) / 64] x 100
Subtract the new number by the original number
218 - 64 = 154
154 ÷ 64 = 2.40625
2.40625 x 100 = 240.63%
Example