-88.15% is the change from 810 to 96
Calculation steps:
[( 96 - 810 ) ÷ 810] x 100 = -88.15%
Formula
Percentage change = [(96 - 810) / 810] x 100
Subtract the new number by the original number
96 - 810 = -714
-714 ÷ 810 = -0.8814814814814815
-0.8814814814814815 x 100 = -88.15%