-87.56% is the change from 780 to 97
Calculation steps:
[( 97 - 780 ) ÷ 780] x 100 = -87.56%
Formula
Percentage change = [(97 - 780) / 780] x 100
Subtract the new number by the original number
97 - 780 = -683
-683 ÷ 780 = -0.8756410256410256
-0.8756410256410256 x 100 = -87.56%