149.39% is the change from 330 to 823
Calculation steps:
[( 823 - 330 ) ÷ 330] x 100 = 149.39%
Formula
Percentage change = [(823 - 330) / 330] x 100
Subtract the new number by the original number
823 - 330 = 493
493 ÷ 330 = 1.493939393939394
1.493939393939394 x 100 = 149.39%