166.39% is the change from 238 to 634
Calculation steps:
[( 634 - 238 ) ÷ 238] x 100 = 166.39%
Formula
Percentage change = [(634 - 238) / 238] x 100
Subtract the new number by the original number
634 - 238 = 396
396 ÷ 238 = 1.6638655462184875
1.6638655462184875 x 100 = 166.39%
Example