329.49% is the change from 156 to 670
Calculation steps:
[( 670 - 156 ) ÷ 156] x 100 = 329.49%
Formula
Percentage change = [(670 - 156) / 156] x 100
Subtract the new number by the original number
670 - 156 = 514
514 ÷ 156 = 3.2948717948717947
3.2948717948717947 x 100 = 329.49%