7800% is the change from 10 to 790
Calculation steps:
[( 790 - 10 ) ÷ 10] x 100 = 7800%
Formula
Percentage change = [(790 - 10) / 10] x 100
Subtract the new number by the original number
790 - 10 = 780
780 ÷ 10 = 78
78 x 100 = 7800%
Example