16.16% is the change from 99 to 115
Calculation steps:
[( 115 - 99 ) ÷ 99] x 100 = 16.16%
Formula
Percentage change = [(115 - 99) / 99] x 100
Subtract the new number by the original number
115 - 99 = 16
16 ÷ 99 = 0.16161616161616163
0.16161616161616163 x 100 = 16.16%