-97.91% is the change from 814 to 17
Calculation steps:
[( 17 - 814 ) ÷ 814] x 100 = -97.91%
Formula
Percentage change = [(17 - 814) / 814] x 100
Subtract the new number by the original number
17 - 814 = -797
-797 ÷ 814 = -0.9791154791154791
-0.9791154791154791 x 100 = -97.91%