217.06% is the change from 170 to 539
Calculation steps:
[( 539 - 170 ) ÷ 170] x 100 = 217.06%
Formula
Percentage change = [(539 - 170) / 170] x 100
Subtract the new number by the original number
539 - 170 = 369
369 ÷ 170 = 2.1705882352941175
2.1705882352941175 x 100 = 217.06%