9.94% is the change from 181 to 199
Calculation steps:
[( 199 - 181 ) ÷ 181] x 100 = 9.94%
Formula
Percentage change = [(199 - 181) / 181] x 100
Subtract the new number by the original number
199 - 181 = 18
18 ÷ 181 = 0.09944751381215469
0.09944751381215469 x 100 = 9.94%