168.97% is the change from 290 to 780
Calculation steps:
[( 780 - 290 ) ÷ 290] x 100 = 168.97%
Formula
Percentage change = [(780 - 290) / 290] x 100
Subtract the new number by the original number
780 - 290 = 490
490 ÷ 290 = 1.6896551724137931
1.6896551724137931 x 100 = 168.97%