176.62% is the change from 231 to 639
Calculation steps:
[( 639 - 231 ) ÷ 231] x 100 = 176.62%
Formula
Percentage change = [(639 - 231) / 231] x 100
Subtract the new number by the original number
639 - 231 = 408
408 ÷ 231 = 1.7662337662337662
1.7662337662337662 x 100 = 176.62%