-88.08% is the change from 814 to 97
Calculation steps:
[( 97 - 814 ) ÷ 814] x 100 = -88.08%
Formula
Percentage change = [(97 - 814) / 814] x 100
Subtract the new number by the original number
97 - 814 = -717
-717 ÷ 814 = -0.8808353808353808
-0.8808353808353808 x 100 = -88.08%