371.93% is the change from 171 to 807
Calculation steps:
[( 807 - 171 ) ÷ 171] x 100 = 371.93%
Formula
Percentage change = [(807 - 171) / 171] x 100
Subtract the new number by the original number
807 - 171 = 636
636 ÷ 171 = 3.719298245614035
3.719298245614035 x 100 = 371.93%