28.64% is the change from 199 to 256
Calculation steps:
[( 256 - 199 ) ÷ 199] x 100 = 28.64%
Formula
Percentage change = [(256 - 199) / 199] x 100
Subtract the new number by the original number
256 - 199 = 57
57 ÷ 199 = 0.2864321608040201
0.2864321608040201 x 100 = 28.64%