39.34% is the change from 183 to 255
Calculation steps:
[( 255 - 183 ) ÷ 183] x 100 = 39.34%
Formula
Percentage change = [(255 - 183) / 183] x 100
Subtract the new number by the original number
255 - 183 = 72
72 ÷ 183 = 0.39344262295081966
0.39344262295081966 x 100 = 39.34%