-85.91% is the change from 816 to 115
Calculation steps:
[( 115 - 816 ) ÷ 816] x 100 = -85.91%
Formula
Percentage change = [(115 - 816) / 816] x 100
Subtract the new number by the original number
115 - 816 = -701
-701 ÷ 816 = -0.8590686274509803
-0.8590686274509803 x 100 = -85.91%