147.58% is the change from 330 to 817
Calculation steps:
[( 817 - 330 ) ÷ 330] x 100 = 147.58%
Formula
Percentage change = [(817 - 330) / 330] x 100
Subtract the new number by the original number
817 - 330 = 487
487 ÷ 330 = 1.4757575757575758
1.4757575757575758 x 100 = 147.58%