3925% is the change from 4 to 161
Calculation steps:
[( 161 - 4 ) ÷ 4] x 100 = 3925%
Formula
Percentage change = [(161 - 4) / 4] x 100
Subtract the new number by the original number
161 - 4 = 157
157 ÷ 4 = 39.25
39.25 x 100 = 3925%
Example