84.85% is the change from 330 to 610
Calculation steps:
[( 610 - 330 ) ÷ 330] x 100 = 84.85%
Formula
Percentage change = [(610 - 330) / 330] x 100
Subtract the new number by the original number
610 - 330 = 280
280 ÷ 330 = 0.8484848484848485
0.8484848484848485 x 100 = 84.85%