169.75% is the change from 238 to 642
Calculation steps:
[( 642 - 238 ) ÷ 238] x 100 = 169.75%
Formula
Percentage change = [(642 - 238) / 238] x 100
Subtract the new number by the original number
642 - 238 = 404
404 ÷ 238 = 1.6974789915966386
1.6974789915966386 x 100 = 169.75%