82.83% is the change from 99 to 181
Calculation steps:
[( 181 - 99 ) ÷ 99] x 100 = 82.83%
Formula
Percentage change = [(181 - 99) / 99] x 100
Subtract the new number by the original number
181 - 99 = 82
82 ÷ 99 = 0.8282828282828283
0.8282828282828283 x 100 = 82.83%