-97.17% is the change from 814 to 23
Calculation steps:
[( 23 - 814 ) ÷ 814] x 100 = -97.17%
Formula
Percentage change = [(23 - 814) / 814] x 100
Subtract the new number by the original number
23 - 814 = -791
-791 ÷ 814 = -0.9717444717444718
-0.9717444717444718 x 100 = -97.17%