140.63% is the change from 64 to 154
Calculation steps:
[( 154 - 64 ) ÷ 64] x 100 = 140.63%
Formula
Percentage change = [(154 - 64) / 64] x 100
Subtract the new number by the original number
154 - 64 = 90
90 ÷ 64 = 1.40625
1.40625 x 100 = 140.63%
Example