230% is the change from 100 to 330
Calculation steps:
[( 330 - 100 ) ÷ 100] x 100 = 230%
Formula
Percentage change = [(330 - 100) / 100] x 100
Subtract the new number by the original number
330 - 100 = 230
230 ÷ 100 = 2.3
2.3 x 100 = 230%
Example