187.65% is the change from 170 to 489
Calculation steps:
[( 489 - 170 ) ÷ 170] x 100 = 187.65%
Formula
Percentage change = [(489 - 170) / 170] x 100
Subtract the new number by the original number
489 - 170 = 319
319 ÷ 170 = 1.8764705882352941
1.8764705882352941 x 100 = 187.65%