165.5% is the change from 171 to 454
Calculation steps:
[( 454 - 171 ) ÷ 171] x 100 = 165.5%
Formula
Percentage change = [(454 - 171) / 171] x 100
Subtract the new number by the original number
454 - 171 = 283
283 ÷ 171 = 1.654970760233918
1.654970760233918 x 100 = 165.5%