-87.38% is the change from 816 to 103
Calculation steps:
[( 103 - 816 ) ÷ 816] x 100 = -87.38%
Formula
Percentage change = [(103 - 816) / 816] x 100
Subtract the new number by the original number
103 - 816 = -713
-713 ÷ 816 = -0.8737745098039216
-0.8737745098039216 x 100 = -87.38%