3975% is the change from 4 to 163
Calculation steps:
[( 163 - 4 ) ÷ 4] x 100 = 3975%
Formula
Percentage change = [(163 - 4) / 4] x 100
Subtract the new number by the original number
163 - 4 = 159
159 ÷ 4 = 39.75
39.75 x 100 = 3975%
Example