306.06% is the change from 165 to 670
Calculation steps:
[( 670 - 165 ) ÷ 165] x 100 = 306.06%
Formula
Percentage change = [(670 - 165) / 165] x 100
Subtract the new number by the original number
670 - 165 = 505
505 ÷ 165 = 3.0606060606060606
3.0606060606060606 x 100 = 306.06%