-85.77% is the change from 815 to 116
Calculation steps:
[( 116 - 815 ) ÷ 815] x 100 = -85.77%
Formula
Percentage change = [(116 - 815) / 815] x 100
Subtract the new number by the original number
116 - 815 = -699
-699 ÷ 815 = -0.8576687116564418
-0.8576687116564418 x 100 = -85.77%