10.55% is the change from 199 to 220
Calculation steps:
[( 220 - 199 ) ÷ 199] x 100 = 10.55%
Formula
Percentage change = [(220 - 199) / 199] x 100
Subtract the new number by the original number
220 - 199 = 21
21 ÷ 199 = 0.10552763819095477
0.10552763819095477 x 100 = 10.55%