320.5% is the change from 161 to 677
Calculation steps:
[( 677 - 161 ) ÷ 161] x 100 = 320.5%
Formula
Percentage change = [(677 - 161) / 161] x 100
Subtract the new number by the original number
677 - 161 = 516
516 ÷ 161 = 3.2049689440993787
3.2049689440993787 x 100 = 320.5%