229.7% is the change from 303 to 999
Calculation steps:
[( 999 - 303 ) ÷ 303] x 100 = 229.7%
Formula
Percentage change = [(999 - 303) / 303] x 100
Subtract the new number by the original number
999 - 303 = 696
696 ÷ 303 = 2.297029702970297
2.297029702970297 x 100 = 229.7%