408.77% is the change from 171 to 870
Calculation steps:
[( 870 - 171 ) ÷ 171] x 100 = 408.77%
Formula
Percentage change = [(870 - 171) / 171] x 100
Subtract the new number by the original number
870 - 171 = 699
699 ÷ 171 = 4.087719298245614
4.087719298245614 x 100 = 408.77%