287.27% is the change from 165 to 639
Calculation steps:
[( 639 - 165 ) ÷ 165] x 100 = 287.27%
Formula
Percentage change = [(639 - 165) / 165] x 100
Subtract the new number by the original number
639 - 165 = 474
474 ÷ 165 = 2.8727272727272726
2.8727272727272726 x 100 = 287.27%