160.87% is the change from 161 to 420
Calculation steps:
[( 420 - 161 ) ÷ 161] x 100 = 160.87%
Formula
Percentage change = [(420 - 161) / 161] x 100
Subtract the new number by the original number
420 - 161 = 259
259 ÷ 161 = 1.608695652173913
1.608695652173913 x 100 = 160.87%