271.18% is the change from 170 to 631
Calculation steps:
[( 631 - 170 ) ÷ 170] x 100 = 271.18%
Formula
Percentage change = [(631 - 170) / 170] x 100
Subtract the new number by the original number
631 - 170 = 461
461 ÷ 170 = 2.711764705882353
2.711764705882353 x 100 = 271.18%