297.06% is the change from 170 to 675
Calculation steps:
[( 675 - 170 ) ÷ 170] x 100 = 297.06%
Formula
Percentage change = [(675 - 170) / 170] x 100
Subtract the new number by the original number
675 - 170 = 505
505 ÷ 170 = 2.9705882352941178
2.9705882352941178 x 100 = 297.06%