181.82% is the change from 99 to 279
Calculation steps:
[( 279 - 99 ) ÷ 99] x 100 = 181.82%
Formula
Percentage change = [(279 - 99) / 99] x 100
Subtract the new number by the original number
279 - 99 = 180
180 ÷ 99 = 1.8181818181818181
1.8181818181818181 x 100 = 181.82%