289.63% is the change from 164 to 639
Calculation steps:
[( 639 - 164 ) ÷ 164] x 100 = 289.63%
Formula
Percentage change = [(639 - 164) / 164] x 100
Subtract the new number by the original number
639 - 164 = 475
475 ÷ 164 = 2.8963414634146343
2.8963414634146343 x 100 = 289.63%