3994.74% is the change from 19 to 778
Calculation steps:
[( 778 - 19 ) ÷ 19] x 100 = 3994.74%
Formula
Percentage change = [(778 - 19) / 19] x 100
Subtract the new number by the original number
778 - 19 = 759
759 ÷ 19 = 39.94736842105263
39.94736842105263 x 100 = 3994.74%