664.71% is the change from 102 to 780
Calculation steps:
[( 780 - 102 ) ÷ 102] x 100 = 664.71%
Formula
Percentage change = [(780 - 102) / 102] x 100
Subtract the new number by the original number
780 - 102 = 678
678 ÷ 102 = 6.647058823529412
6.647058823529412 x 100 = 664.71%