39.89% is the change from 183 to 256
Calculation steps:
[( 256 - 183 ) ÷ 183] x 100 = 39.89%
Formula
Percentage change = [(256 - 183) / 183] x 100
Subtract the new number by the original number
256 - 183 = 73
73 ÷ 183 = 0.3989071038251366
0.3989071038251366 x 100 = 39.89%