216.47% is the change from 170 to 538
Calculation steps:
[( 538 - 170 ) ÷ 170] x 100 = 216.47%
Formula
Percentage change = [(538 - 170) / 170] x 100
Subtract the new number by the original number
538 - 170 = 368
368 ÷ 170 = 2.164705882352941
2.164705882352941 x 100 = 216.47%