108.08% is the change from 99 to 206
Calculation steps:
[( 206 - 99 ) ÷ 99] x 100 = 108.08%
Formula
Percentage change = [(206 - 99) / 99] x 100
Subtract the new number by the original number
206 - 99 = 107
107 ÷ 99 = 1.0808080808080809
1.0808080808080809 x 100 = 108.08%