147.27% is the change from 330 to 816
Calculation steps:
[( 816 - 330 ) ÷ 330] x 100 = 147.27%
Formula
Percentage change = [(816 - 330) / 330] x 100
Subtract the new number by the original number
816 - 330 = 486
486 ÷ 330 = 1.4727272727272727
1.4727272727272727 x 100 = 147.27%