11.05% is the change from 181 to 201
Calculation steps:
[( 201 - 181 ) ÷ 181] x 100 = 11.05%
Formula
Percentage change = [(201 - 181) / 181] x 100
Subtract the new number by the original number
201 - 181 = 20
20 ÷ 181 = 0.11049723756906077
0.11049723756906077 x 100 = 11.05%