312.87% is the change from 171 to 706
Calculation steps:
[( 706 - 171 ) ÷ 171] x 100 = 312.87%
Formula
Percentage change = [(706 - 171) / 171] x 100
Subtract the new number by the original number
706 - 171 = 535
535 ÷ 171 = 3.128654970760234
3.128654970760234 x 100 = 312.87%