17.86% is the change from 168 to 198
Calculation steps:
[( 198 - 168 ) ÷ 168] x 100 = 17.86%
Formula
Percentage change = [(198 - 168) / 168] x 100
Subtract the new number by the original number
198 - 168 = 30
30 ÷ 168 = 0.17857142857142858
0.17857142857142858 x 100 = 17.86%