-85.26% is the change from 780 to 115
Calculation steps:
[( 115 - 780 ) ÷ 780] x 100 = -85.26%
Formula
Percentage change = [(115 - 780) / 780] x 100
Subtract the new number by the original number
115 - 780 = -665
-665 ÷ 780 = -0.8525641025641025
-0.8525641025641025 x 100 = -85.26%