314.91% is the change from 161 to 668
Calculation steps:
[( 668 - 161 ) ÷ 161] x 100 = 314.91%
Formula
Percentage change = [(668 - 161) / 161] x 100
Subtract the new number by the original number
668 - 161 = 507
507 ÷ 161 = 3.1490683229813663
3.1490683229813663 x 100 = 314.91%