185.96% is the change from 171 to 489
Calculation steps:
[( 489 - 171 ) ÷ 171] x 100 = 185.96%
Formula
Percentage change = [(489 - 171) / 171] x 100
Subtract the new number by the original number
489 - 171 = 318
318 ÷ 171 = 1.8596491228070176
1.8596491228070176 x 100 = 185.96%