197.06% is the change from 170 to 505
Calculation steps:
[( 505 - 170 ) ÷ 170] x 100 = 197.06%
Formula
Percentage change = [(505 - 170) / 170] x 100
Subtract the new number by the original number
505 - 170 = 335
335 ÷ 170 = 1.9705882352941178
1.9705882352941178 x 100 = 197.06%