806.98% is the change from 86 to 780
Calculation steps:
[( 780 - 86 ) ÷ 86] x 100 = 806.98%
Formula
Percentage change = [(780 - 86) / 86] x 100
Subtract the new number by the original number
780 - 86 = 694
694 ÷ 86 = 8.069767441860465
8.069767441860465 x 100 = 806.98%