289.02% is the change from 164 to 638
Calculation steps:
[( 638 - 164 ) ÷ 164] x 100 = 289.02%
Formula
Percentage change = [(638 - 164) / 164] x 100
Subtract the new number by the original number
638 - 164 = 474
474 ÷ 164 = 2.8902439024390243
2.8902439024390243 x 100 = 289.02%