90.91% is the change from 330 to 630
Calculation steps:
[( 630 - 330 ) ÷ 330] x 100 = 90.91%
Formula
Percentage change = [(630 - 330) / 330] x 100
Subtract the new number by the original number
630 - 330 = 300
300 ÷ 330 = 0.9090909090909091
0.9090909090909091 x 100 = 90.91%