-87.71% is the change from 814 to 100
Calculation steps:
[( 100 - 814 ) ÷ 814] x 100 = -87.71%
Formula
Percentage change = [(100 - 814) / 814] x 100
Subtract the new number by the original number
100 - 814 = -714
-714 ÷ 814 = -0.8771498771498771
-0.8771498771498771 x 100 = -87.71%