180.81% is the change from 99 to 278
Calculation steps:
[( 278 - 99 ) ÷ 99] x 100 = 180.81%
Formula
Percentage change = [(278 - 99) / 99] x 100
Subtract the new number by the original number
278 - 99 = 179
179 ÷ 99 = 1.8080808080808082
1.8080808080808082 x 100 = 180.81%