457.14% is the change from 140 to 780
Calculation steps:
[( 780 - 140 ) ÷ 140] x 100 = 457.14%
Formula
Percentage change = [(780 - 140) / 140] x 100
Subtract the new number by the original number
780 - 140 = 640
640 ÷ 140 = 4.571428571428571
4.571428571428571 x 100 = 457.14%