146.06% is the change from 330 to 812
Calculation steps:
[( 812 - 330 ) ÷ 330] x 100 = 146.06%
Formula
Percentage change = [(812 - 330) / 330] x 100
Subtract the new number by the original number
812 - 330 = 482
482 ÷ 330 = 1.4606060606060607
1.4606060606060607 x 100 = 146.06%