321.76% is the change from 170 to 717
Calculation steps:
[( 717 - 170 ) ÷ 170] x 100 = 321.76%
Formula
Percentage change = [(717 - 170) / 170] x 100
Subtract the new number by the original number
717 - 170 = 547
547 ÷ 170 = 3.2176470588235295
3.2176470588235295 x 100 = 321.76%