83.03% is the change from 330 to 604
Calculation steps:
[( 604 - 330 ) ÷ 330] x 100 = 83.03%
Formula
Percentage change = [(604 - 330) / 330] x 100
Subtract the new number by the original number
604 - 330 = 274
274 ÷ 330 = 0.8303030303030303
0.8303030303030303 x 100 = 83.03%