178.79% is the change from 99 to 276
Calculation steps:
[( 276 - 99 ) ÷ 99] x 100 = 178.79%
Formula
Percentage change = [(276 - 99) / 99] x 100
Subtract the new number by the original number
276 - 99 = 177
177 ÷ 99 = 1.7878787878787878
1.7878787878787878 x 100 = 178.79%