181.29% is the change from 171 to 481
Calculation steps:
[( 481 - 171 ) ÷ 171] x 100 = 181.29%
Formula
Percentage change = [(481 - 171) / 171] x 100
Subtract the new number by the original number
481 - 171 = 310
310 ÷ 171 = 1.8128654970760234
1.8128654970760234 x 100 = 181.29%