90.06% is the change from 181 to 344
Calculation steps:
[( 344 - 181 ) ÷ 181] x 100 = 90.06%
Formula
Percentage change = [(344 - 181) / 181] x 100
Subtract the new number by the original number
344 - 181 = 163
163 ÷ 181 = 0.9005524861878453
0.9005524861878453 x 100 = 90.06%