163.11% is the change from 244 to 642
Calculation steps:
[( 642 - 244 ) ÷ 244] x 100 = 163.11%
Formula
Percentage change = [(642 - 244) / 244] x 100
Subtract the new number by the original number
642 - 244 = 398
398 ÷ 244 = 1.6311475409836065
1.6311475409836065 x 100 = 163.11%