298.14% is the change from 161 to 641
Calculation steps:
[( 641 - 161 ) ÷ 161] x 100 = 298.14%
Formula
Percentage change = [(641 - 161) / 161] x 100
Subtract the new number by the original number
641 - 161 = 480
480 ÷ 161 = 2.981366459627329
2.981366459627329 x 100 = 298.14%