321.08% is the change from 166 to 699
Calculation steps:
[( 699 - 166 ) ÷ 166] x 100 = 321.08%
Formula
Percentage change = [(699 - 166) / 166] x 100
Subtract the new number by the original number
699 - 166 = 533
533 ÷ 166 = 3.210843373493976
3.210843373493976 x 100 = 321.08%