10.1% is the change from 198 to 218
Calculation steps:
[( 218 - 198 ) ÷ 198] x 100 = 10.1%
Formula
Percentage change = [(218 - 198) / 198] x 100
Subtract the new number by the original number
218 - 198 = 20
20 ÷ 198 = 0.10101010101010101
0.10101010101010101 x 100 = 10.1%