68.42% is the change from 152 to 256
Calculation steps:
[( 256 - 152 ) ÷ 152] x 100 = 68.42%
Formula
Percentage change = [(256 - 152) / 152] x 100
Subtract the new number by the original number
256 - 152 = 104
104 ÷ 152 = 0.6842105263157895
0.6842105263157895 x 100 = 68.42%