16.53% is the change from 121 to 141
Calculation steps:
[( 141 - 121 ) ÷ 121] x 100 = 16.53%
Formula
Percentage change = [(141 - 121) / 121] x 100
Subtract the new number by the original number
141 - 121 = 20
20 ÷ 121 = 0.1652892561983471
0.1652892561983471 x 100 = 16.53%