185.38% is the change from 171 to 488
Calculation steps:
[( 488 - 171 ) ÷ 171] x 100 = 185.38%
Formula
Percentage change = [(488 - 171) / 171] x 100
Subtract the new number by the original number
488 - 171 = 317
317 ÷ 171 = 1.8538011695906433
1.8538011695906433 x 100 = 185.38%