15.66% is the change from 198 to 229
Calculation steps:
[( 229 - 198 ) ÷ 198] x 100 = 15.66%
Formula
Percentage change = [(229 - 198) / 198] x 100
Subtract the new number by the original number
229 - 198 = 31
31 ÷ 198 = 0.15656565656565657
0.15656565656565657 x 100 = 15.66%