40.88% is the change from 181 to 255
Calculation steps:
[( 255 - 181 ) ÷ 181] x 100 = 40.88%
Formula
Percentage change = [(255 - 181) / 181] x 100
Subtract the new number by the original number
255 - 181 = 74
74 ÷ 181 = 0.4088397790055249
0.4088397790055249 x 100 = 40.88%