4175% is the change from 4 to 171
Calculation steps:
[( 171 - 4 ) ÷ 4] x 100 = 4175%
Formula
Percentage change = [(171 - 4) / 4] x 100
Subtract the new number by the original number
171 - 4 = 167
167 ÷ 4 = 41.75
41.75 x 100 = 4175%
Example