-88.4% is the change from 810 to 94
Calculation steps:
[( 94 - 810 ) ÷ 810] x 100 = -88.4%
Formula
Percentage change = [(94 - 810) / 810] x 100
Subtract the new number by the original number
94 - 810 = -716
-716 ÷ 810 = -0.8839506172839506
-0.8839506172839506 x 100 = -88.4%