6.63% is the change from 181 to 193
Calculation steps:
[( 193 - 181 ) ÷ 181] x 100 = 6.63%
Formula
Percentage change = [(193 - 181) / 181] x 100
Subtract the new number by the original number
193 - 181 = 12
12 ÷ 181 = 0.06629834254143646
0.06629834254143646 x 100 = 6.63%