-99.36% is the change from 780 to 5
Calculation steps:
[( 5 - 780 ) ÷ 780] x 100 = -99.36%
Formula
Percentage change = [(5 - 780) / 780] x 100
Subtract the new number by the original number
5 - 780 = -775
-775 ÷ 780 = -0.9935897435897436
-0.9935897435897436 x 100 = -99.36%