18.18% is the change from 198 to 234
Calculation steps:
[( 234 - 198 ) ÷ 198] x 100 = 18.18%
Formula
Percentage change = [(234 - 198) / 198] x 100
Subtract the new number by the original number
234 - 198 = 36
36 ÷ 198 = 0.18181818181818182
0.18181818181818182 x 100 = 18.18%