4227.78% is the change from 18 to 779
Calculation steps:
[( 779 - 18 ) ÷ 18] x 100 = 4227.78%
Formula
Percentage change = [(779 - 18) / 18] x 100
Subtract the new number by the original number
779 - 18 = 761
761 ÷ 18 = 42.27777777777778
42.27777777777778 x 100 = 4227.78%