298.99% is the change from 99 to 395
Calculation steps:
[( 395 - 99 ) ÷ 99] x 100 = 298.99%
Formula
Percentage change = [(395 - 99) / 99] x 100
Subtract the new number by the original number
395 - 99 = 296
296 ÷ 99 = 2.98989898989899
2.98989898989899 x 100 = 298.99%