302.44% is the change from 82 to 330
Calculation steps:
[( 330 - 82 ) ÷ 82] x 100 = 302.44%
Formula
Percentage change = [(330 - 82) / 82] x 100
Subtract the new number by the original number
330 - 82 = 248
248 ÷ 82 = 3.024390243902439
3.024390243902439 x 100 = 302.44%