247.65% is the change from 170 to 591
Calculation steps:
[( 591 - 170 ) ÷ 170] x 100 = 247.65%
Formula
Percentage change = [(591 - 170) / 170] x 100
Subtract the new number by the original number
591 - 170 = 421
421 ÷ 170 = 2.476470588235294
2.476470588235294 x 100 = 247.65%