342.93% is the change from 184 to 815
Calculation steps:
[( 815 - 184 ) ÷ 184] x 100 = 342.93%
Formula
Percentage change = [(815 - 184) / 184] x 100
Subtract the new number by the original number
815 - 184 = 631
631 ÷ 184 = 3.4293478260869565
3.4293478260869565 x 100 = 342.93%