400% is the change from 156 to 780
Calculation steps:
[( 780 - 156 ) ÷ 156] x 100 = 400%
Formula
Percentage change = [(780 - 156) / 156] x 100
Subtract the new number by the original number
780 - 156 = 624
624 ÷ 156 = 4
4 x 100 = 400%
Example